{"id":4950,"date":"2020-01-15T15:34:36","date_gmt":"2020-01-15T15:34:36","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=4950"},"modified":"2024-07-04T03:20:37","modified_gmt":"2024-07-04T03:20:37","slug":"ime-2020","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2020\/ime-2020\/","title":{"rendered":"IME \u2013 2020"},"content":{"rendered":"<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>IME \u2013 2020<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Compare essa e outras resolu\u00e7\u00f5es do IME e dos vestibulares das demais Universidades pelo\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>fisicaevestibular.com.br\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>com outras e voc\u00ea ver\u00e1 que ela:<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Tem melhor visual e mais ilustra\u00e7\u00f5es esclarecedoras.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Foi feito para alunos que realmente tenham dificuldades nos conceitos de F\u00edsica e Matem\u00e1tica procurando sempre explicar os menores detalhes.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>N\u00e3o coloca apenas as f\u00f3rmulas procurando sempre mostrar suas proced\u00eancias e utilidades.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Sempre que preciso procura explicar por meio de desenhos e ilustra\u00e7\u00f5es.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>N\u00e3o queima etapas explicando sequ\u00eancia por sequ\u00eancia.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>A preocupa\u00e7\u00e3o com que o aluno entenda as resolu\u00e7\u00f5es \u00e9 muito grande. O professor se coloca no lugar do aluno.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Muitas vezes fornece informa\u00e7\u00f5es al\u00e9m das necess\u00e1rias para as resolu\u00e7\u00f5es, mas \u00fateis nos pr\u00f3ximos vestibulares.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_4cc6178f.png\" width=\"27\" height=\"14\" name=\"Imagem 33\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\">\u00a0<span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>E muito, muito mais.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_48dc51fb.png\" width=\"196\" height=\"187\" name=\"Imagem 20\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #ff0000;\">\u00a0<\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>O\u00a0Instituto Militar de Engenharia\u00a0(IME) \u00e9 uma\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Institui%C3%A7%C3%A3o_de_ensino_superior\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>institui\u00e7\u00e3o de ensino superior<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Universidade_p%C3%BAblica\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>p\u00fablica<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0pertencente ao\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Ex%C3%A9rcito_Brasileiro\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Ex\u00e9rcito Brasileiro<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0que oferece cursos de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Gradua%C3%A7%C3%A3o\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>gradua\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0e\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/P%C3%B3s-gradua%C3%A7%C3%A3o\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>p\u00f3s-gradua\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0em\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>, sendo considerado um centro de excel\u00eancia\u00a0e refer\u00eancia nacional e internacional\u00a0no ensino da Engenharia. Fica localizado na\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Urca\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Urca<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>,\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Bairro\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>bairro<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0da Zona Sul carioca, mais precisamente na\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Praia_Vermelha_(Rio_de_Janeiro)\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Praia Vermelha<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>, ao lado da esta\u00e7\u00e3o do\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Bondinho_do_P%C3%A3o_de_A%C3%A7%C3%BAcar\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Bondinho do P\u00e3o de A\u00e7\u00facar<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>vestibular do IME \u00e9 considerado um dos mais exigentes do pa\u00eds, tanto por causa da rela\u00e7\u00e3o candidato-vaga, quanto pelo n\u00edvel de dificuldade das provas. A sele\u00e7\u00e3o dos candidatos \u00e9 rigorosa, pois os alunos do IME s\u00e3o exigidos ao m\u00e1ximo, tanto no aspecto intelectual, quanto no condicionamento f\u00edsico.\u00a0O\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Instituto_Tecnol%C3%B3gico_de_Aeron%C3%A1utica\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Instituto Tecnol\u00f3gico de Aeron\u00e1utica<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>,\u00a0que nasceu no IME, \u00e9 uma institui\u00e7\u00e3o com igual n\u00edvel de exig\u00eancia em seu processo seletivo e na condu\u00e7\u00e3o de seus cursos.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>IME tem a tradi\u00e7\u00e3o de possuir um dos\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Vestibular\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>vestibulares<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0mais dif\u00edceis do pa\u00eds, com quest\u00f5es abrangentes e que testam a fundo o conhecimento dos candidatos sobre os assuntos abordados.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Esta etapa do processo de sele\u00e7\u00e3o geralmente conta com 5 dias de provas, sendo realizada no 1\u00b0 dia uma prova de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/M%C3%BAltipla_escolha\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>m\u00faltipla escolha<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0contendo 40 quest\u00f5es (15 de Matem\u00e1tica, 15 de F\u00edsica e 10 de Qu\u00edmica) com 5 itens cada. Essa prova tem car\u00e1ter somente eliminat\u00f3rio, e os acertos do candidato nessa fase n\u00e3o contam para sua classifica\u00e7\u00e3o final no concurso. Nos dias que se seguem, s\u00e3o realizadas, na ordem: provas de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Matem%C3%A1tica\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Matem\u00e1tica<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0(2\u00b0 dia),\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/F%C3%ADsica\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>F\u00edsica<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0(3\u00b0 dia) e\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Qu%C3%ADmica\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Qu\u00edmica<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0(4\u00b0 dia), contendo cada prova 10 quest\u00f5es discursivas. No \u00faltimo dia s\u00e3o realizadas as provas de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/L%C3%ADngua_portuguesa\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Portugu\u00eas<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0e\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/L%C3%ADngua_inglesa\"><span style=\"color: #e84747;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Ingl\u00eas<\/b><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Atualmente a escola oferece os seguintes cursos:<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Civil\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia de Fortifica\u00e7\u00e3o e Constru\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_El%C3%A9trica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia El\u00e9trica<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Eletr%C3%B4nica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia Eletr\u00f4nica<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_de_Telecomunica%C3%A7%C3%B5es\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia de Telecomunica\u00e7\u00f5es<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Mec%C3%A2nica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia Mec\u00e2nica e de Autom\u00f3veis<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Mec%C3%A2nica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia Mec\u00e2nica e de Armamentos<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_de_Materiais\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia de Materiais<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Qu%C3%ADmica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia Qu\u00edmica<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Cartogr%C3%A1fica\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia Cartogr\u00e1fica<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_de_Computa%C3%A7%C3%A3o\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Engenharia de Computa\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_Nuclear\">Engenharia Nuclear<\/a>\u00a0(p\u00f3s gradua\u00e7\u00e3o)<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Engenharia_de_Transportes\">Engenharia de Transportes<\/a>\u00a0(p\u00f3s gradua\u00e7\u00e3o<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: inherit, serif;\"><span style=\"font-size: x-large;\"><b>)<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>01-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 48\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma fonte sonora de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>frequ\u00eancia <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>0<\/b><\/i><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u00e9 arremessada verticalmente para cima, com velocidade inicial <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>v<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> de um ponto da superf\u00edcie terrestre no qual <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a acelera\u00e7\u00e3o da gravidade \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>g<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dados: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o da gravidade: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>g <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 9,8 m\/s<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>;<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>velocidade inicial da fonte sonora: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>v<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 98 m\/s. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><u><b>Nota:<\/b><\/u><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> despreze a resist\u00eancia do ar e a varia\u00e7\u00e3o da acelera\u00e7\u00e3o da gravidade com a altitude. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A frequ\u00eancia <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>percebida 10 segundos mais tarde por um observador est\u00e1tico<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> situado no local do arremesso \u00e9 tal que <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 0 &lt; <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>&lt; <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>0<\/b><\/i><\/span><\/span><\/sub><\/span><i><b> <\/b><\/i><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) f = f<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> &lt; <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>&lt; 2 <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 2 <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>&gt; 2 <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>0<\/b><\/i><\/span><\/span><\/sub><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>02-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 49\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: Calibri, serif;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>U<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>m sistema mec\u00e2nico, composto por um corpo de massa <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>M <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>conectado a uma mola, est\u00e1 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>inicialmente em equil\u00edbrio mec\u00e2nico e em repouso sobre uma superf\u00edcie horizontal sem atrito, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>conforme mostra a figura.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_7041989c.png\" width=\"351\" height=\"154\" name=\"Imagem 88\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um proj\u00e9til esf\u00e9rico de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>m<\/b><\/i><\/span><\/span><\/span><i><b> <\/b><\/i><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00e9 disparado na dire\u00e7\u00e3o horizontal contra a <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>M<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, provocando um <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>choque perfeitamente inel\u00e1stico<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> que inicia uma oscila\u00e7\u00e3o no sistema. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dados: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>M = 10 kg;<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>m = 2 kg; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>amplitude<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> de oscila\u00e7\u00e3o do sistema <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 0,4 m<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>; e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>frequ\u00eancia angular = 2 rad\/s <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A velocidade do proj\u00e9til antes do choque <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>entre as massas <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>M <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>m<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, em m\/s, \u00e9:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 0,8<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) 1,6<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) 2,4<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) 4,8<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) 9,6<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>03-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 52\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um indiv\u00edduo instalou uma <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>fonte de luz monocrom\u00e1tica linearmente polarizada <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>na roda do seu carro, irradiando em <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>dire\u00e7\u00e3o ortogonal \u00e0 roda e paralela ao solo. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O ve\u00edculo est\u00e1 em movimento retil\u00edneo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em velocidade constante.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Um detector <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>linearmente polarizado<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> desloca-se, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>acompanhando o eixo da roda,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> na mesma velocidade e sentido do carro. O gr\u00e1fico da <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>intensidade luminosa (<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>I<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>L<\/b><\/i><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>)<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> captada pelo detector, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em fun\u00e7\u00e3o do \u00e2ngulo (<img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_415d3ef0.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/>),<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> em graus, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>entre os planos de polariza\u00e7\u00e3o da luz e do detector, \u00e9:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) (B)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_4b0864d.png\" width=\"773\" height=\"244\" name=\"Imagem 92\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000ff;\"> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_4ce3eddc.png\" width=\"761\" height=\"250\" name=\"Imagem 94\" align=\"BOTTOM\" border=\"0\" \/><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_9f93c3e4.png\" width=\"456\" height=\"263\" name=\"Imagem 95\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>04-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 53\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em um experimento, uma fonte laser emite um pulso luminoso instant\u00e2neo, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>que \u00e9 refletido por um espelho plano (M<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>R<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>), girando em velocidade angular constante <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>\u03c9<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um outro espelho fixo, c\u00f4ncavo e circular (M<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>), encontra-se acima da fonte laser, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ambos localizados a uma dist\u00e2ncia <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>L <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 3 km de M<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>R<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>conforme mostra a figura. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_5748391c.png\" width=\"356\" height=\"230\" name=\"Imagem 96\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O centro de curvatura (C) de M<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> localiza-se no ponto onde a luz do laser encontra M<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>R<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e coincide com seu centro de rota\u00e7\u00e3o. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dado: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>velocidade da luz: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>c <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 3 x 10<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>8<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> m\/s. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observa\u00e7\u00f5es: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a posi\u00e7\u00e3o de M<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>R<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e M<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> s\u00e3o tais que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o feixe consegue chegar a M<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, pelo menos, duas vezes;<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>despreze o comprimento da fonte laser. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para que o pulso luminoso <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>seja refletido em MF pela 2\u00aa vez, a um comprimento de arco <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><i><b>\u0394<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><i><b>s<\/b><\/i><\/span><\/span><\/sub><\/span><i><b> <\/b><\/i><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 30 cm do 1\u00ba ponto de reflex\u00e3o, o valor de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>\u03c9<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, em rad\/s, \u00e9: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 1,25 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) 2,50 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) 3,33 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) 5,00 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) 10,00 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>05-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 54\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma barra de metal de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>M <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uniformemente distribu\u00edda <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>se\u00e7\u00e3o reta quadrada de lado <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>L <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>encontra-se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>totalmente submersa e sustentada pela estrutura<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> na figura, composta por uma haste e por <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>fios inextens\u00edveis com massas desprez\u00edveis. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_de81ed71.png\" width=\"345\" height=\"332\" name=\"Imagem 97\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em determinado instante, a haste come\u00e7a a ser puxada lentamente pelo fio central em D, de modo que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a barra come\u00e7a a emergir.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Esse movimento <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>durou at\u00e9 que apenas 25% da barra estivesse imersa,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> momento em que ocorreu o rompimento do fio AB. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dados: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>comprimento da barra: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>h<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>;<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o da gravidade: g;<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa espec\u00edfica da \u00e1gua: <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c7fa5617.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/><\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A for\u00e7a de tra\u00e7\u00e3o que leva \u00e0 ruptura do fio AB \u00e9: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4971\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_1.png\" alt=\"\" width=\"194\" height=\"113\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>06-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 55\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A figura acima mostra <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a energia cin\u00e9tica<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> de um atleta de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>60 kg, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>durante uma c<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>orrida de 2700 m, em <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_b6b1558b.png\" width=\"683\" height=\"278\" name=\"Imagem 98\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>fun\u00e7\u00e3o da dist\u00e2ncia percorrida.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O tempo gasto <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>para o atleta completar a corrida foi de: <\/b><\/span><\/span><\/span><\/p>\n<ol type=\"A\">\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 09 min e 00 s <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) 08 min e 10 s <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) 08 min e 20 s <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) 08 min e 34 s <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) 08 min e 50 s <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>07-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 56\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma part\u00edcula com <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>carga positiva viaja em velocidade constante at\u00e9 aproximar-se de uma esfera oca com carga negativa uniformemente distribu\u00edda em sua casca. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ao encontrar a esfera, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a part\u00edcula entra em seu interior por um pequeno furo, passa pelo centro e deixa a esfera por um segundo furo,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> prosseguindo o movimento. Bem distante da esfera, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a part\u00edcula se aproxima de uma placa met\u00e1lica plana de grande dimens\u00e3o, com carga negativa uniformemente distribu\u00edda pela placa, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>conforme esquema da figura.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c315367a.png\" width=\"449\" height=\"190\" name=\"Imagem 99\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observa\u00e7\u00f5es: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a carga da part\u00edcula <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>n\u00e3o redistribui a carga da casca esf\u00e9rica e nem da placa plana;<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a distribui\u00e7\u00e3o das cargas da casca esf\u00e9rica e da placa plana <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>n\u00e3o interferem entre si. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O gr\u00e1fico que melhor exprime a velocidade da part\u00edcula em fun\u00e7\u00e3o de sua posi\u00e7\u00e3o \u00e9:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_b6288b5f.png\" width=\"770\" height=\"147\" name=\"Imagem 100\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_cf9e756e.png\" width=\"770\" height=\"120\" name=\"Imagem 101\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_ad50e1b7.png\" width=\"452\" height=\"102\" name=\"Imagem 102\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>08-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 57\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma fonte luminosa A emite uma luz com <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>comprimento de onda <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>\u03bb <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 500 nm,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> no v\u00e1cuo, na dire\u00e7\u00e3o de um anteparo localizado em C. Em frente ao espelho localizado em B, encontra-se a <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>pel\u00edcula P<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> com \u00edndice de refra\u00e7\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 1,25<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e, em frente ao espelho localizado em D, encontra-se uma a <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>pel\u00edcula P<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> com \u00edndice de refra\u00e7\u00e3o n<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_7bd8d34b.png\" width=\"395\" height=\"269\" name=\"Imagem 103\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observa\u00e7\u00f5es: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>os espelhos <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>equidistam do centro <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>do anteparo C; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ap\u00f3s ser emitido do ponto A, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o feixe de luz reflete em dire\u00e7\u00e3o a B e refrata em dire\u00e7\u00e3o a D; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ap\u00f3s refletir em B, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o feixe refrata diretamente em dire\u00e7\u00e3o a E<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>; e <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ap\u00f3s refletir em D, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o feixe volta a refletir totalmente em C em dire\u00e7\u00e3o a E<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O menor \u00edndice de refra\u00e7\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> para que ocorra interfer\u00eancia totalmente destrutiva <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>para um observador localizado <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em E,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u00e9 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 1,00 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) 1,05 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) 1,15 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) 1,20 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) 1,25 <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>09-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 61\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um escrit\u00f3rio de patentes analisa as afirmativas de um inventor que deseja obter os direitos sobre <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>tr\u00eas m\u00e1quinas t\u00e9rmicas reais<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> que trabalham em um ciclo termodin\u00e2mico. Os dados sobre o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>calor rejeitado para a fonte fria e o trabalho<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> produzido pela m\u00e1quina t\u00e9rmica \u2013 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ambos expressos em Joules<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u2013 encontram-se na tabela abaixo.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_bbc1cfef.png\" width=\"465\" height=\"95\" name=\"Imagem 104\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>As afirmativas do inventor s\u00e3o: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Afirmativa 1: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O rendimento das m\u00e1quinas A e C s\u00e3o os mesmos para quaisquer temperaturas<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> de fonte quente e de fonte fria. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Afirmativa 2: <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>As m\u00e1quinas A, B e C obedecem \u00e0 Segunda Lei da Termodin\u00e2mica. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Afirmativa 3: Se o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>calor rejeitado nas tr\u00eas situa\u00e7\u00f5es acima for dobrado<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e se for <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>mantida a mesma produ\u00e7\u00e3o de trabalho,<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a m\u00e1quina B apresentar\u00e1 rendimento superior aos das m\u00e1quinas A e C, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>supondo atendidos os princ\u00edpios da termodin\u00e2mica. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Tomando sempre as <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>temperaturas<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> dos reservat\u00f3rios das <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>fontes quente e fria das m\u00e1quinas<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>900 K e 300 K, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>est\u00e1(\u00e3o) correta(s) a(s) afirmativa(s): <\/b><\/span><\/span><\/span><\/p>\n<ol type=\"A\">\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(A) 1, apenas. <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(B) 2, apenas. <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(C) 1, 2 e 3. <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(D) 1 e 3, apenas. <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(E) 2 e 3, apenas. <\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>10-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 64\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um foguete desloca-se com <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o constante <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>a,<\/b><\/i><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>forma um \u00e2ngulo <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_1d8ae8b1.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/> com a vertical<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, como mostra a figura, em uma regi\u00e3o cujo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>campo gravitacional local \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>g<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> No interior do foguete <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>h\u00e1 um p\u00eandulo simples de comprimento <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>L<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_923534c5.png\" width=\"547\" height=\"254\" name=\"Imagem 105\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na condi\u00e7\u00e3o de equil\u00edbrio, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o per\u00edodo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Cambria Math, serif;\"><span style=\"font-size: large;\"><b>\u0001<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> do p\u00eandulo para oscila\u00e7\u00f5es de pequenas amplitudes \u00e9:<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4973\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_2.png\" alt=\"\" width=\"279\" height=\"330\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_2.png 279w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_2-254x300.png 254w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>11-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"JUSTIFY\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 69\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um feixe de luz hipot\u00e9tico, mostrado na figura acima, propaga-se ao longo do plano <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>xy <\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em um meio n\u00e3o homog\u00eaneo, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>cujo \u00edndice de refra\u00e7\u00e3o \u00e9 fun\u00e7\u00e3o da coordenada <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>y <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>y<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>)). <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Considerando que o feixe <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>tangencia o eixo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>x <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>no ponto (0, 0), onde <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(0) = <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Cambria Math, serif;\"><span style=\"font-size: large;\"><b>\u0001<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Cambria Math, serif;\"><span style=\"font-size: large;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_ab545527.png\" width=\"329\" height=\"222\" name=\"Imagem 106\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Sabendo que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a velocidade da luz no v\u00e1cuo \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>c<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>,<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o valor m\u00e1ximo absoluto poss\u00edvel da componente <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>y <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>para a velocidade do feixe pass\u00edvel de ser atingida \u00e9:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4974\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_3.png\" alt=\"\" width=\"80\" height=\"263\" \/><\/a><\/b><\/span><\/span><\/span><b><\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>12-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 71\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma part\u00edcula <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>de massa <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>m<\/b><\/i><\/span><\/span><\/span><i><b> <\/b><\/i><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>carga el\u00e9trica +<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>q<\/b><\/i><\/span><\/span><\/span><i><b> <\/b><\/i><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>percorre a trajet\u00f3ria tracejada na figura <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em velocidade constante <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>v<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> No instante em que a part\u00edcula alcan\u00e7a o ponto A, surge um <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>campo magn\u00e9tico uniforme com intensidade constante <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>B<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, emergindo do plano do papel. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_1c4b35f3.png\" width=\"298\" height=\"219\" name=\"Imagem 107\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A intensidade do campo magn\u00e9tico <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>B <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>para que a part\u00edcula alcance o ponto <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>D<\/b><\/i><\/span><\/span><\/span><i><b> <\/b><\/i><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>na continua\u00e7\u00e3o de sua trajet\u00f3ria \u00e9: <\/b><\/span><\/span><\/span><\/p>\n<p><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4975\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_4.png\" alt=\"\" width=\"171\" height=\"359\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_4.png 171w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_4-143x300.png 143w\" sizes=\"(max-width: 171px) 100vw, 171px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>13-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 73\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um produtor rural constata que suas despesas mensais de eletricidade est\u00e3o altas e decide contratar um pesquisador para que ele especifique formas alternativas de acionamento simult\u00e2neo de duas bombas empregadas para irriga\u00e7\u00e3o de suas lavouras. O pesquisador constata que, na fazenda, existe <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uma m\u00e1quina refrigeradora que opera em um ciclo termodin\u00e2mico<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, bem como outro dispositivo que atua como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>um ciclo motor<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e prop\u00f5e a solu\u00e7\u00e3o descrita a seguir: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\">\u201c<\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>A pot\u00eancia disponibilizada pelo ciclo motor dever\u00e1 ser integralmente utilizada para o acionamento da m\u00e1quina refrigeradora e a energia rejeitada para o ambiente de ambos os dispositivos \u2013 de acordo com os seus c\u00e1lculos \u2013 \u00e9 mais do que suficiente para o acionamento simult\u00e2neo das duas bombas<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.\u201d <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>De acordo com os dados abaixo, determine se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a solu\u00e7\u00e3o encaminhada pelo pesquisador \u00e9 vi\u00e1vel, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>com base em uma an\u00e1lise termodin\u00e2mica da proposi\u00e7\u00e3o. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dados: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>temperatura do ambiente: 27 \u00b0C;<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>temperatura no interior da m\u00e1quina refrigeradora: \u2212 <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_46dffdde.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/>\u00b0C; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>temperatura da fonte t\u00e9rmica referente ao ciclo motor: 927 \u00b0C; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>pot\u00eancia de cada bomba empregada na irriga\u00e7\u00e3o: 5 HP; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>estimativa <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>da taxa de energia recebida pelo motor t\u00e9rmico: 80 kJ\/min; <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1 HP = \u00be kW. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>14-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 74\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um feixe de luz monocrom\u00e1tica de se\u00e7\u00e3o reta de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00e1rea <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>A<\/b><\/i><\/span><\/span><\/span><i><b> <\/b><\/i><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>vindo de um <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>meio com \u00edndice de refra\u00e7\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 2<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> incide na superf\u00edcie de separa\u00e7\u00e3o entre dois meios. <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O \u00e2ngulo de incid\u00eancia \u00e9 igual a <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_415d3ef0.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/><\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 45\u00ba <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em rela\u00e7\u00e3o \u00e0 normal de separa\u00e7\u00e3o com o outro meio, cujo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00edndice de refra\u00e7\u00e3o \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. O feixe incidente separa-se em feixe refletido e feixe transmitido (refratado).<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Calcule o valor num\u00e9rico do \u00edndice de refra\u00e7\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Dados: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4976\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_5.png\" alt=\"\" width=\"906\" height=\"75\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_5.png 906w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_5-300x25.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_5-768x64.png 768w\" sizes=\"(max-width: 906px) 100vw, 906px\" \/><\/a><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><br \/>\n<\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observa\u00e7\u00e3o: <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\">\u2022 <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>despreze a energia absorvida. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>15-\u00a0(Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd76c5a1.jpg\" width=\"248\" height=\"150\" name=\"Imagem 85\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"> <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um recipiente de vidro contendo g\u00e1s tem <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uma lente convergente e uma fonte sonora presas a um suporte (A)<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> que desliza no trilho (B) <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a velocidade constante<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. Um feixe laser (C), que ilumina o objeto (D), <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>forma imagens reais n\u00edtidas por duas vezes em (E), separadas por uma diferen\u00e7a de tempo \u0394<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>t<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>sendo que, entre a forma\u00e7\u00e3o dessas duas imagens, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>chegam <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>bips (pulsos sonoros de mesma dura\u00e7\u00e3o) no detector (F) e <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>n <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u2212 1 bips s\u00e3o emitidos pela fonte sonora.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_7bd48e4.png\" width=\"616\" height=\"331\" name=\"Imagem 108\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Considerando que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o comprimento do recipiente \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>L <\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e a dist\u00e2ncia focal da lente \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><i><b>f<\/b><\/i><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, determine a velocidade do som no g\u00e1s.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00edsica do<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> Instituto Militar de Engenharia\u00a0\u2013\u00a0IME \u2013\u00a02020<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>01 \u2013<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A primeira quest\u00e3o se trata de uma <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>aplica\u00e7\u00e3o do Efeito Doppler,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> observe as imagens a seguir:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_6946bfb5.png\" width=\"621\" height=\"113\" name=\"Imagem 37\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c1eaf07b.png\" width=\"617\" height=\"285\" name=\"Imagem 38\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>frequ\u00eancia \u00e9 menor para quando o objeto est\u00e1 se aproximando, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>basta pensar na ambul\u00e2ncia se aproximando e se afastando. Vamos analisar o movimento, que se trata de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>um lan\u00e7amento vertical para cima:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_b13e66a3.png\" width=\"770\" height=\"316\" name=\"Imagem 39\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Sendo assim basta calcularmos se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>no tempo de 10 segundos a fonte est\u00e1 se aproximando ou afastando:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4977\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_6.png\" alt=\"\" width=\"403\" height=\"48\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_6.png 403w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_6-300x36.png 300w\" sizes=\"(max-width: 403px) 100vw, 403px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a velocidade \u00e9 zero, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ent\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a fonte se encontra no ponto mais alto da trajet\u00f3ria.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a frente de onda que chega no observador \u00e9 anterior a esse momento, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ou seja, quando ela ainda se afasta, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos concluir que a frequ\u00eancia observada \u00e9 menor que a inicial. Alternativa A.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>02 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A forma mais eficiente e simples de se resolver esse exerc\u00edcio <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00e9 pela quantidade de movimento, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>mas antes precisamos lembrar de algumas coisas. Como \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uma colis\u00e3o inel\u00e1stica ent\u00e3o, ap\u00f3s o choque, as duas massas passam a ficar juntas se movimentando com a mesma velocidade (V). <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Utilizando a conserva\u00e7\u00e3o da quantidade de movimento temos:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4978\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_7.png\" alt=\"\" width=\"926\" height=\"185\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_7.png 926w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_7-300x60.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_7-768x153.png 768w\" sizes=\"(max-width: 926px) 100vw, 926px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Onde:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4979\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_8.png\" alt=\"\" width=\"643\" height=\"233\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_8.png 643w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_8-300x109.png 300w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Alternativa D.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>03 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na imagem a seguir h\u00e1 uma demonstra\u00e7\u00e3o da polariza\u00e7\u00e3o vertical:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_1487a2c3.png\" width=\"770\" height=\"188\" name=\"Imagem 40\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o polarizador vertical serve para deixar passar apenas o plano vertical de oscila\u00e7\u00e3o<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. No exerc\u00edcio <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a fonte de luz j\u00e1 \u00e9 polarizada, portanto a intensidade da luz que passa ser\u00e1 dada pela Lei de Malus:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4980\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_9.png\" alt=\"\" width=\"156\" height=\"36\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_9.png 156w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_9-150x36.png 150w\" sizes=\"(max-width: 156px) 100vw, 156px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Onde:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u00e9 a intensidade depois de passar do polarizador<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u00e9 a intensidade antes de passar do polarizador<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_415d3ef0.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/><\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>se trata do \u00e2ngulo formado entre o polarizador vertical e a luz incidente, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ent\u00e3o se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a luz vem na vertical o cosseno \u00e9 1 (intensidade m\u00e1xima), j\u00e1 para a horizontal cosseno \u00e9 0 (intensidade nula). <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>gr\u00e1fico do cosseno ao quadrado \u00e9 similar ao do cosseno padr\u00e3o, por\u00e9m \u00e9 mais acentuado, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>observe um exemplo a seguir:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_cafa467e.png\" width=\"348\" height=\"226\" name=\"Imagem 41\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Fonte: Wolfram Alpha<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ao analisar o gr\u00e1fico chegamos \u00e0 conclus\u00e3o de que a alternativa correta \u00e9 a B,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> visto que a roda do ve\u00edculo \u00e9 um c\u00edrculo e em velocidade constante, ent\u00e3o o seu per\u00edodo \u00e9 constante tamb\u00e9m, como a luz est\u00e1 nessa roda ela vai variando de 0 \u00e0 2\u03c0 de forma constante.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>04 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"> <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O exerc\u00edcio em quest\u00e3o precisa ser analisado com cuidado, ent\u00e3o vamos por partes. <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_366d8076.png\" width=\"395\" height=\"243\" name=\"Imagem 44\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_10.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4981\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_10.png\" alt=\"\" width=\"935\" height=\"318\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_10.png 935w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_10-300x102.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_10-768x261.png 768w\" sizes=\"(max-width: 935px) 100vw, 935px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_e2ec748a.png\" width=\"345\" height=\"319\" name=\"Imagem 45\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Com a defini\u00e7\u00e3o do radiano podemos:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4982\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_11.png\" alt=\"\" width=\"506\" height=\"55\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_11.png 506w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/01\/Screenshot_11-300x33.png 300w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_14.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4987\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_14.png\" alt=\"\" width=\"778\" height=\"79\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_14.png 778w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_14-300x30.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_14-768x78.png 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/a><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Obs: caso n\u00e3o tenha entendido o par\u00e1grafo anterior observe a imagem a seguir.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_dc8fa67c.png\" width=\"819\" height=\"459\" name=\"Imagem 46\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como j\u00e1 calculamos tudo o que precis\u00e1vamos, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>basta apenas substituir na equa\u00e7\u00e3o da velocidade angular:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_67d56d99.jpg\" width=\"165\" height=\"102\" name=\"Imagem 47\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_15.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4988\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_15.png\" alt=\"\" width=\"763\" height=\"173\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_15.png 763w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_15-300x68.png 300w\" sizes=\"(max-width: 763px) 100vw, 763px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>05 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Vamos retomar a imagem do exerc\u00edcio para <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>encontrar todas as for\u00e7as existentes:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_bcf60af6.png\" width=\"263\" height=\"500\" name=\"Imagem 111\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em azul temos as tra\u00e7\u00f5es, em vermelho a for\u00e7a peso e em laranja o empuxo. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Come\u00e7ando pelas tra\u00e7\u00f5es:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_3d0f5fab.png\" width=\"228\" height=\"205\" name=\"Imagem 112\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Acima podemos observar a tra\u00e7\u00e3o e sua rea\u00e7\u00e3o, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>em verde temos as componentes da tra\u00e7\u00e3o nos eixos y e x, observe que em x elas se cancelam, restando apenas em y.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o \u00e2ngulo \u00e9 de 30\u00b0<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> (a soma de todos os \u00e2ngulos deve ser 180\u00b0) e <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o T<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Y <\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00e9 o cateto adjacente,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> temos que:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_16.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4989\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_16.png\" alt=\"\" width=\"783\" height=\"115\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_16.png 783w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_16-300x44.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_16-768x113.png 768w\" sizes=\"(max-width: 783px) 100vw, 783px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_a8c978ee.png\" width=\"755\" height=\"124\" name=\"Imagem 70\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_17.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4990\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_17.png\" alt=\"\" width=\"778\" height=\"332\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_17.png 778w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_17-300x128.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_17-768x328.png 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_d8c6cbdb.png\" width=\"243\" height=\"499\" name=\"Imagem 113\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em vermelho temos o peso, em laranja o empuxo e em verde a tra\u00e7\u00e3o total em y.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Da imagem acima <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos concluir que a rela\u00e7\u00e3o entre as for\u00e7as fica:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_18.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4991\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_18.png\" alt=\"\" width=\"738\" height=\"219\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_18.png 738w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_18-300x89.png 300w\" sizes=\"(max-width: 738px) 100vw, 738px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>06 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o gr\u00e1fico relaciona energia cin\u00e9tica com a dist\u00e2ncia,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> para conseguirmos achar o tempo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>precisamos calcular a energia cin\u00e9tica nos tr\u00eas momentos. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para isso vamos utilizar a equa\u00e7\u00e3o da energia cin\u00e9tica:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_f9d0ae3e.png\" width=\"131\" height=\"62\" name=\"Imagem 75\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_19.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4992\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_19.png\" alt=\"\" width=\"527\" height=\"387\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_19.png 527w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_19-300x220.png 300w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_20.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4993\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_20.png\" alt=\"\" width=\"776\" height=\"396\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_20.png 776w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_20-300x153.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_20-768x392.png 768w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>J\u00e1 para a segunda, como a velocidade se altera, se trata de um MUV. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Podemos usar Torricelli:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_af5a5a50.png\" width=\"333\" height=\"119\" name=\"Imagem 81\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Isolando a acelera\u00e7\u00e3o:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_21.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4994\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_21.png\" alt=\"\" width=\"766\" height=\"101\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_21.png 766w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_21-300x40.png 300w\" sizes=\"(max-width: 766px) 100vw, 766px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Agora que temos a acelera\u00e7\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos calcular o tempo pela equa\u00e7\u00e3o hor\u00e1ria da velocidade:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_71423073.png\" width=\"369\" height=\"108\" name=\"Imagem 83\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_22.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4995\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_22.png\" alt=\"\" width=\"784\" height=\"319\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_22.png 784w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_22-300x122.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_22-768x312.png 768w\" sizes=\"(max-width: 784px) 100vw, 784px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>07 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Irei dividir o exerc\u00edcio em 6 partes, cada uma com a intera\u00e7\u00e3o que est\u00e1 ocorrendo no momento:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_a3045aaa.png\" width=\"543\" height=\"200\" name=\"Imagem 58\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na parte 1 a part\u00edcula se movimenta em <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>velocidade constante,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> ou seja, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>est\u00e1 t\u00e3o distante que n\u00e3o nenhuma for\u00e7a interagindo com ela, o mesmo \u00e9 v\u00e1lido para a parte 5.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na parte 2 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ela come\u00e7a a interagir com a casca carregada,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> como ela est\u00e1 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uniformemente carregada a gente pode simplificar ela como uma \u00fanica part\u00edcula menor localizada em seu centro de massa, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>portanto <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>h\u00e1 uma for\u00e7a de atra\u00e7\u00e3o entre elas que pode ser calculada pela Lei de Coulomb:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c8758ba4.png\" width=\"770\" height=\"134\" name=\"Imagem 60\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Perceba que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>essa for\u00e7a \u00e9 proporcional \u00e0 1\/d<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>irei plotar o seu gr\u00e1fico a seguir:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_1a1d7ab6.png\" width=\"419\" height=\"253\" name=\"Imagem 62\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Fonte: Wolfram Alpha<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_23.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4996\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_23.png\" alt=\"\" width=\"782\" height=\"360\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_23.png 782w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_23-300x138.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_23-768x354.png 768w\" sizes=\"(max-width: 782px) 100vw, 782px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Obs: a integral de d(qualquer coisa) \u00e9 qualquer coisa.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ent\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos concluir que a velocidade ir\u00e1 se comportar de forma similar \u00e0 acelera\u00e7\u00e3o,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> dessa forma <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ao se aproximar (parte 2) ela se assemelha \u00e0 parte esquerda do gr\u00e1fico e ao se afastar (parte 4) \u00e0 parte direita.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para a parte 3, como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a esfera est\u00e1 carregada uniformemente, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ent\u00e3o o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>seu campo el\u00e9trico interno \u00e9 0, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>se <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>n\u00e3o h\u00e1 campo el\u00e9trico n\u00e3o h\u00e1 for\u00e7a, portanto a part\u00edcula segue em velocidade constante a partir do momento em que entrou na casca at\u00e9 sair.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>J\u00e1 para a parte 6 como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a placa est\u00e1 com carga negativa uniformemente distribu\u00edda o seu campo el\u00e9trico \u00e9 uniforme,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> portanto novamente sendo <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a for\u00e7a el\u00e9trica igual \u00e0 resultante:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_24.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4997\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_24.png\" alt=\"\" width=\"320\" height=\"65\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_24.png 320w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_24-300x61.png 300w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Onde:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u00e9 a for\u00e7a el\u00e9trica<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>q a carga da part\u00edcula<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>E o campo el\u00e9trico gerado pela placa<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a acelera\u00e7\u00e3o \u00e9 constante ent\u00e3o podemos resolver por MUV, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>usando de Torricelli afinal a gente quer trabalhar com as dist\u00e2ncias:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_af5a5a50.png\" width=\"333\" height=\"119\" name=\"Imagem 63\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Substituindo com o que temos, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o deslocamento ser\u00e1 a nossa dist\u00e2ncia d:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_26.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4998\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_26.png\" alt=\"\" width=\"705\" height=\"141\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_26.png 705w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_26-300x60.png 300w\" sizes=\"(max-width: 705px) 100vw, 705px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_a9021525.png\" width=\"267\" height=\"220\" name=\"Imagem 65\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Fonte: Wolfram Alpha<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Olhando o gabarito <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos perceber que nenhuma das op\u00e7\u00f5es se encaixa com essa parte 6,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> no gabarito oficial a resposta \u00e9 a B, por\u00e9m ela n\u00e3o se adequa totalmente.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>08 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe na imagem a seguir <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>como pode acontecer uma interfer\u00eancia destrutiva<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_d8992986.png\" width=\"804\" height=\"281\" name=\"Imagem 84\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Toda a dist\u00e2ncia s\u00e3o as mesmas para os feixes, diferenciando apenas nos momentos quando a luz est\u00e1 na pel\u00edcula sofrendo refra\u00e7\u00e3o.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Como a pel\u00edcula \u00e9 bem pequena em rela\u00e7\u00e3o ao resto do caminho, podemos aproximar o caminho como quase uma reta \u2013 n\u00e3o pode ser uma reta, pois n\u00e3o teria refra\u00e7\u00e3o \u2013 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ent\u00e3o para uma pel\u00edcula a dist\u00e2ncia fica:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_27.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4999\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_27.png\" alt=\"\" width=\"743\" height=\"495\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_27.png 743w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_27-300x200.png 300w\" sizes=\"(max-width: 743px) 100vw, 743px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>09 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"> <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Come\u00e7ando pela afirmativa 1, precisamos nos lembrar de <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>como se calcula o rendimento de uma m\u00e1quina t\u00e9rmica:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_bcddcadb.png\" width=\"770\" height=\"286\" name=\"Imagem 1\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>N\u00e3o se esque\u00e7a que o calor da fonte quente \u00e9 a soma do trabalho produzido com o calor da fonte fria (calor rejeitado).<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_28.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5000\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_28.png\" alt=\"\" width=\"602\" height=\"164\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_28.png 602w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_28-300x82.png 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Por defini\u00e7\u00e3o, e como podemos visualizar nas f\u00f3rmulas, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o rendimento da m\u00e1quina t\u00e9rmica real n\u00e3o ir\u00e1 depender das temperaturas<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. Portanto, para todas as temperaturas o rendimento ser\u00e1 o mesmo, o qual j\u00e1 foi calculado para a m\u00e1quina A e C. <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Afirmativa 1 \u00e9 verdadeira.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para a afirmativa 2 vamos nos lembrar o que a Segunda Lei da Termodin\u00e2mica nos diz:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_64665513.jpg\" width=\"770\" height=\"54\" name=\"Imagem 9\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ou seja, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>n\u00e3o importa a m\u00e1quina t\u00e9rmica, o seu rendimento nunca ser\u00e1 100%. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em seus estudos Carnot enunciou que <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>nenhuma m\u00e1quina t\u00e9rmica real poderia ter efici\u00eancia maior ou igual ao do Ciclo de Carnot, para assim n\u00e3o violar a segunda lei.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Vamos calcular a efici\u00eancia desse ciclo ideal:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c385b6eb.png\" width=\"770\" height=\"220\" name=\"Imagem 10\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5001\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_1.png\" alt=\"\" width=\"784\" height=\"552\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_1.png 784w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_1-300x211.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_1-768x541.png 768w\" sizes=\"(max-width: 784px) 100vw, 784px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>10 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para facilitar o trabalho vamos <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>pegar o per\u00edodo de um p\u00eandulo simples para oscila\u00e7\u00f5es pequenas:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_57a9c195.png\" width=\"131\" height=\"71\" name=\"Imagem 22\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Onde:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T \u00e9 o per\u00edodo<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>L \u00e9 o comprimento do fio<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>g \u00e9 a acelera\u00e7\u00e3o da gravidade<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Vamos retomar a imagem do foguete:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_43188907.png\" width=\"357\" height=\"321\" name=\"Imagem 42\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>No p\u00eandulo simples as for\u00e7as eram apenas a de tra\u00e7\u00e3o e o peso, estando o p\u00eandulo em equil\u00edbrio. Para esse caso <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>teremos uma for\u00e7a por conta da acelera\u00e7\u00e3o da nave, vamos analisar como as acelera\u00e7\u00f5es se comportam:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Obs: <img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_a8200df3.gif\" align=\"ABSMIDDLE\" hspace=\"8\" \/><\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_f77f480.png\" width=\"130\" height=\"263\" name=\"Imagem 90\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Podemos inverter o vetor a para formarmos o que seria a gravidade no referencial da nave, <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>como demonstrado a seguir:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_a7f24f1d.png\" width=\"143\" height=\"289\" name=\"Imagem 43\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5002\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_2.png\" alt=\"\" width=\"778\" height=\"275\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_2.png 778w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_2-300x106.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_2-768x271.png 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>11 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O exerc\u00edcio nos informou que h\u00e1 o ponto (0,0) e <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><b>n(0) = n<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><b>0<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, ent\u00e3o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>vamos realizar a Lei de Snell nesse ponto espec\u00edfico em rela\u00e7\u00e3o a algum ponto P do feixe:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5003\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_3.png\" alt=\"\" width=\"775\" height=\"421\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_3.png 775w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_3-300x163.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_3-768x417.png 768w\" sizes=\"(max-width: 775px) 100vw, 775px\" \/><\/a><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_f2933451.png\" width=\"591\" height=\"130\" name=\"Imagem 93\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5004\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_4.png\" alt=\"\" width=\"771\" height=\"399\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_4.png 771w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_4-300x155.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_4-768x397.png 768w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/><\/a><b><\/b><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>12 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"> <span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>No momento em que a part\u00edcula \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>afetada pelo campo magn\u00e9tico ela come\u00e7a a se movimentar em uma trajet\u00f3ria circular com velocidade uniforme para o sentido hor\u00e1rio,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> pra verificar basta realizar a regra da m\u00e3o esquerda. Para uma trajet\u00f3ria dessa forma com velocidade constante <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a for\u00e7a magn\u00e9tica (F<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00adm<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>) deve ser igual \u00e0 for\u00e7a resultante centr\u00edpeta:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_135f6be.png\" width=\"770\" height=\"139\" name=\"Imagem 115\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Obs: Como <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o campo est\u00e1 saindo do plano e a velocidade est\u00e1 no plano eles formam um \u00e2ngulo de 90\u00b0,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> portanto o <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>seno entre eles tem valor 1<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_b910ed97.png\" width=\"101\" height=\"62\" name=\"Imagem 116\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5005\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5.png\" alt=\"\" width=\"664\" height=\"665\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5.png 664w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-150x150.png 150w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-300x300.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-90x90.png 90w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-75x75.png 75w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>13 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para avaliar se a solu\u00e7\u00e3o \u00e9 vi\u00e1vel basta <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>mostrar que a pot\u00eancia que sai para o ambiente (P<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>amb<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>) \u00e9 maior do que a necess\u00e1ria para o funcionamento das bombas (P<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>sis<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>).<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Como sabemos <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o m\u00e1ximo rendimento te\u00f3rico poss\u00edvel \u00e9 dado pelo ciclo de Carnot,<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> tanto para o motor quanto para o refrigerador, <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ent\u00e3o vamos calcular esse rendimento para ambos.<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Come\u00e7ando pelo motor:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_c385b6eb.png\" width=\"770\" height=\"220\" name=\"Imagem 118\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5006\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1.png\" alt=\"\" width=\"664\" height=\"665\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1.png 664w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1-150x150.png 150w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1-300x300.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1-90x90.png 90w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_5-1-75x75.png 75w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Obs: vale ressaltar que por calcularmos no ciclo de Carnot \u2013 maior rendimento, mas ainda \u00e9 uma idealiza\u00e7\u00e3o &#8211; a pot\u00eancia real do sistema, para que ele funcione, deve estar entre P<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>amb <\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e P<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>sis<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>14 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe a imagem abaixo:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_7e53509b.png\" width=\"459\" height=\"355\" name=\"Imagem 144\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A elipse azul representa a frente de onda incidente, a vermelha aquela que \u00e9 refletida, a verde a refratada e a amarela \u00e9 como ela atinge horizontalmente o plano. <\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Para acharmos o \u00edndice de refra\u00e7\u00e3o do meio refra\u00e7\u00e3o (<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><b>n<\/b><\/span><\/span><\/span><span style=\"color: #0000ff;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: large;\"><b>r<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>) precisamos <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>utilizar a lei de Snell-Descartes:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_5bf2e79c.png\" width=\"260\" height=\"49\" name=\"Imagem 145\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5007\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_7.png\" alt=\"\" width=\"785\" height=\"573\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_7.png 785w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_7-300x219.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_7-768x561.png 768w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/a><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5008\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_8.png\" alt=\"\" width=\"764\" height=\"514\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_8.png 764w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_8-300x202.png 300w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>15 \u2013<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Vamos come\u00e7ar calculando onde a lente precisa estar para criar uma imagem real na dist\u00e2ncia L. <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como a lente \u00e9 convergente, ent\u00e3o seu foco \u00e9 positivo, usando da Equa\u00e7\u00e3o de Gauss:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_fd021dd2.png\" width=\"765\" height=\"229\" name=\"Imagem 68\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5009\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_9.png\" alt=\"\" width=\"779\" height=\"477\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_9.png 779w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_9-300x184.png 300w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_9-768x470.png 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/><\/a><\/p>\n<p class=\"western\"><span style=\"color: #0000ff;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Agora que j\u00e1 sabemos a velocidade <\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>podemos usar o efeito Doppler:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a name=\"_GoBack\"><\/a> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/recentes-2019\/ime-1920_001\/ime-1920_html_3a4e83b4.png\" alt=\"IME\" width=\"584\" height=\"318\" name=\"Imagem 72\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como o detector est\u00e1 parado e a fonte se aproxima dele, vamos utilizar a equa\u00e7\u00e3o da esquerda:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><a href=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_10.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5010\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_10.png\" alt=\"\" width=\"757\" height=\"455\" srcset=\"https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_10.png 757w, https:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/2020\/02\/Screenshot_10-300x180.png 300w\" sizes=\"(max-width: 757px) 100vw, 757px\" \/><\/a><\/p>\n<p align=\"CENTER\">\n<p><a href=\"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2020\/\">Clique aqui para ver sobre o tema!<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/user\/fisicaevestibular\/playlists\">Confira as v\u00eddeo aulas!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>IME \u2013 2020 Compare essa e outras resolu\u00e7\u00f5es do IME e dos vestibulares das demais Universidades pelo\u00a0fisicaevestibular.com.br\u00a0com outras e voc\u00ea ver\u00e1 que ela: Tem melhor visual e mais ilustra\u00e7\u00f5es esclarecedoras. Foi feito para alunos que realmente tenham dificuldades nos conceitos de F\u00edsica e Matem\u00e1tica procurando sempre explicar os menores detalhes. N\u00e3o coloca apenas as f\u00f3rmulas procurando sempre mostrar suas proced\u00eancias<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4938,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4950","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=4950"}],"version-history":[{"count":6,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4950\/revisions"}],"predecessor-version":[{"id":10073,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4950\/revisions\/10073"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4938"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=4950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}