{"id":4790,"date":"2019-11-07T03:11:30","date_gmt":"2019-11-07T03:11:30","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=4790"},"modified":"2024-07-10T13:12:27","modified_gmt":"2024-07-10T13:12:27","slug":"ufu-mg-meio-do-ano-2019-2020","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2019\/ufu-mg-meio-do-ano-2019-2020\/","title":{"rendered":"UFU \u2013 MG \u2013 meio do ano \u2013 2019\/2020"},"content":{"rendered":"<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU \u2013 MG \u2013 meio do ano \u2013 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_67ee5f37.png\" width=\"361\" height=\"142\" name=\"Imagem 59\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0(<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>) \u00e9 uma\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Institui%C3%A7%C3%A3o_de_ensino_superior\">institui\u00e7\u00e3o de ensino superior<\/a>\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Universidade_p%C3%BAblica\">p\u00fablica<\/a>\u00a0brasileira, sendo uma das\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Lista_de_universidades_federais_do_Brasil\">63 universidades p\u00fablicas federais<\/a>\u00a0do pa\u00eds e uma das principais do\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Unidades_federativas_do_Brasil\">estado<\/a>\u00a0de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Minas_Gerais\">Minas Gerais<\/a>, no\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Regi%C3%A3o_Sudeste_do_Brasil\">Sudeste<\/a>\u00a0do Brasil. Est\u00e1 sediada no\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Munic%C3%ADpios_do_Brasil\">munic\u00edpio<\/a>\u00a0de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Uberl%C3%A2ndia\">Uberl\u00e2ndia<\/a>, possuindo campi nas cidades de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Ituiutaba\">Ituiutaba<\/a>,\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Monte_Carmelo_(Minas_Gerais)\">Monte Carmelo<\/a>\u00a0e\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Patos_de_Minas\">Patos de Minas<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>O Ranking Universit\u00e1rio Folha (RUF), da Folha de S.Paulo, colocou a UFU como a 26\u00aa melhor institui\u00e7\u00e3o de ensino superior do pa\u00eds em 2017 e a 4\u00aa melhor do estado de Minas Gerais.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>baixo as formas de ingresso nos cursos superiores da Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>.<\/b><\/span><\/span><\/sup><\/span><\/p>\n<ul>\n<li>\n<p align=\"CENTER\"><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\/Sisu\">SiSU<\/a>\u00a0para vagas no primeiro semestre do ano, no qual o candidato dever\u00e1 obrigatoriamente ter realizado o\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Exame_Nacional_do_Ensino_M%C3%A9dio\">ENEM<\/a>;<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Vestibular tradicional composto de duas fases (sendo a primeira composta por quest\u00f5es fechadas e a segunda por quest\u00f5es abertas e reda\u00e7\u00e3o) para vagas no segundo semestre do ano;<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Vagas ociosas, que acontece semestralmente ou anualmente, dependendo do regime do curso, por meio de processo seletivo;<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campi<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Uberl\u00e2ndia<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><i><b>Campi<\/b><\/i><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0UFU: Campus Santa M\u00f4nica, Campus Umuarama e Campus Educa\u00e7\u00e3o F\u00edsica<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>A cidade de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Uberl%C3%A2ndia\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Uberl\u00e2ndia<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0conta atualmente com quatro Campi em funcionamento:<\/b><\/span><\/span><\/span><\/p>\n<ul>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Umuarama:<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0Localizado no\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Umuarama_(Uberl%C3%A2ndia)\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Bairro Umuarama<\/b><\/u><\/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\/Zona_Leste_de_Uberl%C3%A2ndia\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Zona Leste<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>. O campus oferece os cursos de gradua\u00e7\u00e3o e p\u00f3s gradua\u00e7\u00e3o nas \u00e1reas de ci\u00eancias agr\u00edcolas, ci\u00eancias da sa\u00fade e da vida.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Santa M\u00f4nica:<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0Localizado no\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Santa_M%C3%B4nica_(Uberl%C3%A2ndia)\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Bairro Santa M\u00f4nica<\/b><\/u><\/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\/Zona_Leste_de_Uberl%C3%A2ndia\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Zona Leste<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>. O campus oferece cursos de gradua\u00e7\u00e3o e p\u00f3s gradua\u00e7\u00e3o nas \u00e1reas de ci\u00eancias exatas e da terra, ci\u00eancias humanas, ci\u00eancias sociais aplicadas e artes.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Educa\u00e7\u00e3o F\u00edsica:<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0Localizado no\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Nossa_Senhora_Aparecida_(Uberl%C3%A2ndia)\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Bairro Aparecida<\/b><\/u><\/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\/Regi%C3%A3o_Central_de_Uberl%C3%A2ndia\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Zona Central<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>: o campus oferece os cursos de gradua\u00e7\u00e3o e p\u00f3s-gradua\u00e7\u00e3o em educa\u00e7\u00e3o f\u00edsica e fisioterapia. Al\u00e9m disso, o campus possui uma completa infraestrutura esportiva e conta com uma biblioteca com acervo completo para os cursos de educa\u00e7\u00e3o f\u00edsica.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>E um campus em constru\u00e7\u00e3o para as futuras instala\u00e7\u00f5es dos cursos instalados com a implanta\u00e7\u00e3o do\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/REUNI\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>REUNI<\/b><\/u><\/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><\/p>\n<ul>\n<li>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus do Gl\u00f3ria:<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0Localizado na\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/w\/index.php?title=Zona_Sul_de_Uberl%C3%A2ndia&amp;action=edit&amp;redlink=1\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Zona Sudeste de Uberl\u00e2ndia<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>, com alguns pr\u00e9dios em funcionamento e outros ainda em constru\u00e7\u00e3o, no entroncamento das rodovias federais\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/BR-050\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>050<\/b><\/u><\/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\/BR-365\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>365<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>, com acesso pela via marginal no sentido Patos de Minas\/<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Patroc%C3%ADnio\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Patroc\u00edni<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>o<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">01- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 4\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>circuito, utilizando um conjunto gerador de c\u00e9lulas fotovoltaicas<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>um resistor, \u00e9 montado conforme mostra a Figura A.<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>gr\u00e1fico da Figura B indica as curvas de Diferen\u00e7a De Potencial (DDP) em fun\u00e7\u00e3o da corrente el\u00e9trica do conjunto gerador de c\u00e9lulas fotovoltaicas e do resistor indicados na Figura A.<\/b><\/span><\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_915c07ea.png\" width=\"770\" height=\"210\" name=\"Imagem 8\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Qual a pot\u00eancia que o conjunto gerador de c\u00e9lulas fotovoltaicas fornece ao resistor nas condi\u00e7\u00f5es do circuito da Figura A? <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1,60 W. <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0,21 W<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>0,30 W. <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1,40 W<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">02- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 5\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Os <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>term\u00f4metros s\u00e3o equipamentos constru\u00eddos para realizar medidas de temperatura de forma indireta<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c2dec72c.png\" width=\"240\" height=\"145\" name=\"Imagem 17\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>term\u00f4metro \u00e9 montado para utilizar uma propriedade f\u00edsica cujas varia\u00e7\u00f5es est\u00e3o associadas \u00e0 temperatura, chamada de propriedade termom\u00e9trica.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>valor da temperatura \u00e9 determinado e indicado em fun\u00e7\u00e3o da situa\u00e7\u00e3o f\u00edsica detectada, sendo que, para efeitos de calibra\u00e7\u00e3o, se faz necess\u00e1rio o uso de refer\u00eancias ou de padr\u00f5es.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Qual das alternativas possui propriedades f\u00edsicas que podem ser utilizadas para constru\u00e7\u00e3o de term\u00f4metros para realizar medidas de varia\u00e7\u00f5es de temperaturas? <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Resist\u00eancia el\u00e9trica de um fio condutor e press\u00e3o de um g\u00e1s a volume constante. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Diferen\u00e7a de potencial entre dois metais diferentes em contato e velocidade de propaga\u00e7\u00e3o de uma onda eletromagn\u00e9tica no v\u00e1cuo. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Emiss\u00e3o de radia\u00e7\u00e3o eletromagn\u00e9tica por um corpo s\u00f3lido e ponto triplo da \u00e1gua. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Velocidade do som no ar e massa de um objeto s\u00f3lido.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">03- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 6\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Al\u00e9m de poderem ser observados em pequenos objetos e m\u00e1quinas constru\u00eddas pelo homem, os campos magn\u00e9ticos tamb\u00e9m est\u00e3o presentes em escala astron\u00f4mica. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>As <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>estrelas, como o Sol, produzem intensos campos, criando ao seu redor o que se chama de magnetosfera. [&#8230;.]<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Existem objetos estelares capazes de produzir campos magn\u00e9ticos absurdamente altos, como o que ocorre nos pulsares \u2013 restos mortais de estrelas gigantes, constitu\u00eddos apenas por n\u00eautrons. S\u00e3o campos magn\u00e9ticos na ordem de 100 milh\u00f5es de Tesla! Perto deles, o campo magn\u00e9tico produzido pela Terra \u00e9 quase nada: sua intensidade est\u00e1 na ordem de 0,0001 Tesla, bem menor do que a do \u00edm\u00e3 de geladeira.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_eadc94e2.png\" width=\"774\" height=\"165\" name=\"Imagem 18\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Mesmo assim, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o campo magn\u00e9tico terrestre \u00e9 de fundamental import\u00e2ncia para o desenvolvimento da vida por aqui. O fato de o planeta possuir um campo magn\u00e9tico impede que part\u00edculas com alta energia, vindas do espa\u00e7o interestelar ou do pr\u00f3prio Sol, atinjam a superf\u00edcie terrestre, o que poderia ser prejudicial a diversas formas de vida, inclusive a nossa. <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>http:\/\/cienciahoje.org.br\/coluna\/da-geladeira-ao-espaco-sideral\/. Acesso em 02.mar.2019. (Adaptado) <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A respeito do magnetismo terrestre, s\u00e3o feitas as seguintes afirma\u00e7\u00f5es.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>I.<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> As <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>part\u00edculas com alta energia, vindas do espa\u00e7o interestelar ou do pr\u00f3prio Sol, <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>citadas no texto, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>quando eletrizadas <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>sob a a\u00e7\u00e3o do campo magn\u00e9tico terrestre, s\u00e3o respons\u00e1veis pela forma\u00e7\u00e3o das auroras polares. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>II.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>As <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>b\u00fassolas s\u00e3o pequenos im\u00e3s que, quando livres, alinham-se com o campo magn\u00e9tico terrestre citado no texto e se posicionam aproximadamente na dire\u00e7\u00e3o Norte-Sul do planeta.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>III.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>campo magn\u00e9tico terrestre, apesar de baixa intensidade, como citado no texto, possui m\u00f3dulo, dire\u00e7\u00e3o e sentido constantes em todos os pontos da superf\u00edcie da Terra, fato esse que possibilita seu uso na orienta\u00e7\u00e3o de viajantes em qualquer posi\u00e7\u00e3o do planeta<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>rela\u00e7\u00e3o \u00e0s afirma\u00e7\u00f5es acima, marque V para as verdadeiras e F para as falsas e assinale a alternativa correta. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 F; II \u2013 V; III \u2013 V. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 V; II \u2013 V; III \u2013 F. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 V; II \u2013 F; III \u2013 V. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 F; II \u2013 F; III \u2013 F.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">04- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 23\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Um <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>estudante realiza um experimento, utilizando duas moedas, um palito de f\u00f3sforo, um bal\u00e3o de festa e um copo pl\u00e1stico descart\u00e1vel transparente. <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Primeiramente, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ele coloca o palito de f\u00f3sforo em equil\u00edbrio sobre uma moeda posicionada na vertical, que se equilibra sobre a segunda moeda na horizontal.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em seguida, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>cobre o sistema com o copo descart\u00e1vel. <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em um <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>outro momento, ele infla o bal\u00e3o e o esfrega no pr\u00f3prio cabelo. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Por fim, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>ele aproxima o bal\u00e3o do palito de f\u00f3sforo pelo lado de fora do copo de pl\u00e1stico e movimenta o bal\u00e3o em volta do copo.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como resultado, o estudante observa que o palito de f\u00f3sforo gira sobre a moeda, acompanhando o movimento do bal\u00e3o. A figura mostra o dispositivo montado<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_78a2b75e.png\" width=\"423\" height=\"206\" name=\"Imagem 22\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>http:\/\/www.manualdomundo.com.br. Acesso em 02.fev.2019. (Adaptado) <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Qual a explica\u00e7\u00e3o para o fato de o palito acompanhar o movimento do bal\u00e3o? <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O bal\u00e3o se magnetiza ao ser inflado, e ele atrai o palito pelo fato de o material que comp\u00f5e a cabe\u00e7a do palito ser um material magn\u00e9tico. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O bal\u00e3o se aquece ap\u00f3s o atrito com o cabelo e, ao se aproximar do copo, provoca correntes de convec\u00e7\u00e3o no ar em seu interior, gerando o movimento do palito de f\u00f3sforo. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>As mol\u00e9culas do bal\u00e3o se ionizam ap\u00f3s o atrito com o cabelo e, ao se aproximarem da moeda condutora, a ionizam com carga oposta, gerando um campo el\u00e9trico que faz o palito de f\u00f3sforo se mover. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O bal\u00e3o se eletriza ap\u00f3s atrito com o cabelo e, ao se aproximar do palito de f\u00f3sforo, o atrai por indu\u00e7\u00e3o eletrost\u00e1tica<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">05- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 28\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>H\u00e1 processos que ocorrem na estrutura eletr\u00f4nica dos \u00e1tomos em que um el\u00e9tron pode ganhar ou perder energia.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Nesses processos<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, o <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>el\u00e9tron passa de um n\u00edvel de energia para outro, e a diferen\u00e7a de energia desses dois n\u00edveis, em alguns desses processos, pode ser emitida como um f\u00f3ton de luz.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_4401a383.png\" width=\"317\" height=\"177\" name=\"Imagem 24\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>f\u00f3ton possui energia que pode ser determinada por uma rela\u00e7\u00e3o direta com a frequ\u00eancia da luz por meio da equa\u00e7\u00e3o E = h . f, onde E \u00e9 a energia do f\u00f3ton, h \u00e9 a constante de Planck (h = 6,6 x 10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-34<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> J.s) e f \u00e9 a frequ\u00eancia da luz emitida. <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Nessas situa\u00e7\u00f5es, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>uma unidade de energia muito utilizada \u00e9 o el\u00e9tron-volt (eV), sendo que 1 eV = 1,6 x 10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-19<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>J. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Considere dois n\u00edveis de energia eletr\u00f4nicos com valores de E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1 <\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= -2,93eV e de E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = -1,28 eV, e um el\u00e9tron que decai do n\u00edvel E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> para o n\u00edvel E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, emitindo um f\u00f3ton. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Qual \u00e9, aproximadamente, a frequ\u00eancia da luz associada a esse f\u00f3ton? <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>4,00 x 101<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>4<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Hz <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2,42 x 10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>15<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Hz <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1,00 x 10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>15<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Hz <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>6,64 x 10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>13<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Hz<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">06- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 33\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>morcego \u00e9 um animal que possui um sistema de orienta\u00e7\u00e3o por meio da emiss\u00e3o de ondas sonoras. <\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_cbcf1e53.png\" width=\"339\" height=\"175\" name=\"Imagem 26\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Quando esse animal emite um som e recebe o eco 0,3 segundos ap\u00f3s, significa que o obst\u00e1culo est\u00e1 a que dist\u00e2ncia dele?<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> (Considere a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>velocidade do som no ar de 340m\/s<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>). <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>102m. <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>51m. <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>340m. <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1.133m<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">07- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 35\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>intensidade da for\u00e7a gravitacional em cada um dos planetas do Sistema Solar \u00e9 diferente.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Comparando-se dados da Terra com os de Saturno, <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>tem-se que a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa de nosso planeta \u00e9 aproximadamente cem vezes menor que a de Saturno, e o raio de Saturno \u00e9 cerca de nove vezes maior do que o terrestre.<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_d4741866.png\" width=\"374\" height=\"207\" name=\"Imagem 27\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Se um objeto na superf\u00edcie da Terra tem peso P, quando colocado na imagin\u00e1ria superf\u00edcie de Saturno, ter\u00e1 peso, aproximadamente<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, de <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) 10P. B) 0,01P. C) 100P. D) 1,2P.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">08- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 36\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Tr\u00eas caixas id\u00eanticas (1, 2 e 3) s\u00e3o colocadas sobre uma prateleira horizontal, sendo que, em cada uma delas, h\u00e1 a mesma quantidade de materiais, o que resulta em caixas com a mesma massa.<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Todavia, <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o conte\u00fado n\u00e3o est\u00e1 distribu\u00eddo de maneira uniforme em seu interior, o que faz com que seus centros de massa (a, b, c) estejam localizados em lugares diferentes em cada caixa, conforme ilustra a situa\u00e7\u00e3o (I). Ap\u00f3s algum tempo, a prateleira tomba lentamente at\u00e9 atingir a inclina\u00e7\u00e3o de 30\u00b0 com a horizontal, e nenhuma caixa escorrega dela, conforme mostra a situa\u00e7\u00e3o (II).<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_6e552b61.png\" width=\"657\" height=\"190\" name=\"Imagem 41\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Com base na situa\u00e7\u00e3o descrita, s\u00e3o feitas as seguintes afirma\u00e7\u00f5es<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>I.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>situa\u00e7\u00e3o (I), a for\u00e7a com que cada uma das caixas empurra a prateleira para baixo \u00e9 a mesma. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>II.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>situa\u00e7\u00e3o (II), a caixa 3 n\u00e3o estar\u00e1 como mostrada na figura, pois ter\u00e1 tombada por estar na parte mais alta da prateleira. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>III.<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Na <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>situa\u00e7\u00e3o (II), as tr\u00eas caixas n\u00e3o estar\u00e3o como mostradas na figura, pois ter\u00e3o tombadas por estarem sujeitas \u00e0 mesma inclina\u00e7\u00e3o em rela\u00e7\u00e3o \u00e0 horizontal e possu\u00edrem todas a mesma massa. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Em rela\u00e7\u00e3o \u00e0s afirma\u00e7\u00f5es acima, marque V para as verdadeiras e F para as falsas e assinale a alternativa correta. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 V; II \u2013 F; III \u2013 F. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 V; II \u2013 V; III \u2013 F. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 F; II \u2013 F; III \u2013 V. <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I \u2013 F; II \u2013 V; III \u2013 F.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">09- <\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_fd76c5a1.jpg\" width=\"269\" height=\"163\" name=\"Imagem 37\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Uma pessoa vai at\u00e9 um museu de ci\u00eancias e numa sala de efeitos luminosos se posiciona frente a diferentes tipos de espelhos (c\u00f4ncavo, convexo e plano)<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Qual situa\u00e7\u00e3o a seguir representa a correta imagem (i) que \u00e9 poss\u00edvel essa pessoa obter de si pr\u00f3pria?<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_560672b2.png\" width=\"776\" height=\"365\" name=\"Imagem 54\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p>&nbsp;<\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00edsica da <\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Universidade Federal de Uberl\u00e2ndia<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0\u2013 <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>UFU<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b> \u2013 MG \u2013 meio do ano &#8211; 2019\/2020<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">01-<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Nas condi\u00e7\u00f5es da figura A, a ddp U do gerador deve ser a mesma que a do resistor<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e na <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>figura B<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u00e9 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o ponto onde a reta e a curva se interceptam ou seja, quando U = 10 V, i = 0,14 A.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>P = i.U <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 0,14.10<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 39\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>P = 1,4 W,<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- D<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">02-<\/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: Arial, serif;\"><b>Subst\u00e2ncias termom\u00e9tricas e grandezas termom\u00e9tricas<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>A\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>temperatura<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0\u00e9 um\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>n\u00famero<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0que est\u00e1 associado ao\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>grau, n\u00edvel de vibra\u00e7\u00e3o (energia cin\u00e9tica) das<\/b><\/span><\/span><span style=\"color: #111111;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>mol\u00e9culas de um corpo e,<\/b><\/span><\/span><span style=\"color: #111111;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>como\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>n\u00e3o se pode medir<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0a vibra\u00e7\u00e3o de cada mol\u00e9cula de um corpo\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>isoladamente,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0pode-se\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>medir sua temperatura de maneira indireta utilizando certas subst\u00e2ncias que possuam uma dada grandeza que varie com a temperatura.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Essas subst\u00e2ncias<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0recebem o nome de\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>subst\u00e2ncias termom\u00e9tricas\u00a0e a grandeza que varia com a temperatura recebe o nome de\u00a0grandeza termom\u00e9trica.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Exemplos:<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>R\u00e9gua met\u00e1lica\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_935b22fa.png\" width=\"30\" height=\"11\" name=\"Imagem 45\" align=\"BOTTOM\" border=\"0\" \/>\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>quando\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>aquecida sofre um aumento<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0em seu\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>comprimento.<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0A\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>subst\u00e2ncia<\/b><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_8292016d.png\" width=\"774\" height=\"91\" name=\"Imagem 46\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>termom\u00e9trica \u00e9 a r\u00e9gua met\u00e1lica<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0e a<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0grandeza termom\u00e9trica, seu comprimento<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, que\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>varia com a temperatura.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_1c2fd770.png\" width=\"36\" height=\"16\" name=\"Imagem 47\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_ee71cad9.png\" width=\"774\" height=\"147\" name=\"Imagem 48\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_1c2fd770.png\" width=\"36\" height=\"16\" name=\"Imagem 49\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>No\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>term\u00f4metro de resist\u00eancia de platina<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0a\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>grandeza termom\u00e9trica<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0\u00e9 a\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>resist\u00eancia el\u00e9trica de um fio<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_d1a4b330.png\" width=\"774\" height=\"149\" name=\"Imagem 50\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"font-family: Arial, serif;\"><b>desse metal e a subst\u00e2ncia termom\u00e9trica \u00e9 a platina.\u00a0<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- A<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">03-<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>I- Verdadeira<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Aurora polar<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> &#8211; Trata-se de um <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>fen\u00f4meno luminoso gerado nas camadas mais elevadas da atmosfera (400 a 800 quil\u00f4metros de altura) e observado com maior freq\u00fc\u00eancia nas regi\u00f5es pr\u00f3ximas aos polos do planeta. No Polo Norte, chama-se aurora boreal; no Sul, austral.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_58957221.png\" width=\"246\" height=\"120\" name=\"Imagem 51\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Essas auroras ocorrem quando part\u00edculas el\u00e9tricas (f\u00f3tons e el\u00e9trons) provenientes do Sol chegam \u00e0s vizinhan\u00e7as da Terra e s\u00e3o atra\u00eddas por seu campo magn\u00e9tico. <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ao <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>alcan\u00e7arem a atmosfera, essas part\u00edculas se chocam com os \u00e1tomos de oxig\u00eanio e nitrog\u00eanio \u2013 num processo semelhante \u00e0 ioniza\u00e7\u00e3o (eletrifica\u00e7\u00e3o) de gases que faz acender o tubo de uma l\u00e2mpada fluorescente<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>II- Verdadeira<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>A\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Terra se comporta como um grande im\u00e3\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>onde o\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo Sul magn\u00e9tico est\u00e1 aproximadamente localizado no polo Norte geogr\u00e1fico e vice versa.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Se voc\u00ea\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>pendurar um im\u00e3 em forma de barra pelo seu centro\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>ou\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>observar a agulha magn\u00e9tica<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u00a0de uma\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>b\u00fassola voc\u00ea ver\u00e1 que seus polos ficam sempre alinhados na dire\u00e7\u00e3o norte-sul.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_b513b6cf.png\" width=\"658\" height=\"241\" name=\"Imagem 55\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo que indicar o polo norte geogr\u00e1fico\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>recebe o nome de\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo norte e estar\u00e1 indicando\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>o\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo sul magn\u00e9tico da Terra.<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo que indicar o polo sul geogr\u00e1fico\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>recebe o nome de\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>polo sul\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e estar\u00e1\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>indicando o polo norte magn\u00e9tico da Terra.\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Tudo isso ocorre\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>porque polos de nomes opostos se atraem<\/b><\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>III- Falsa<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"font-size: medium;\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Analise\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>na figura abaixo as\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>linhas de indu\u00e7\u00e3o do campo magn\u00e9tico terrestre\u00a0<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e observe que a\u00a0<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>agulha magn\u00e9tica de uma b\u00fassola (indica\u00e7\u00e3o do campo magn\u00e9tico terrestre) tem a propriedade de se alinhar de acordo com as linhas do campo geomagn\u00e9tico<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: inherit, serif;\"><span style=\"font-size: large;\"><b>.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_aab5a4d9.png\" width=\"764\" height=\"310\" name=\"Imagem 56\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe na figura acima que <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>o campo magn\u00e9tico terrestre, em cada ponto \u00e9 tangente \u00e0s linhas de indu\u00e7\u00e3o, variando em dire\u00e7\u00e3o e sentido e aumentando em m\u00f3dulo \u00e0 medida que se aproxima dos polos.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">04-<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Quando ele<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> infla o bal\u00e3o e o esfrega no pr\u00f3prio cabelo ele est\u00e1 eletrizando o bal\u00e3o e o cabelo com cargas de sinais opostos <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(eletriza\u00e7\u00e3o por atrito).<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>O <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>bal\u00e3o eletrizado provoca uma separa\u00e7\u00e3o de cargas por indu\u00e7\u00e3o eletrost\u00e1tica no palito de f\u00f3sforo, fazendo com que as cargas mais pr\u00f3ximas entre o bal\u00e3o e o palito provoquem uma atra\u00e7\u00e3o entre os mesmos.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- D<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">05-<\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Modelo at\u00f4mico de Bohr<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_ad8a9746.png\" width=\"775\" height=\"370\" name=\"Imagem 57\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>C\u00e1lculo da energia (W) contida em um f\u00f3ton<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_3b4df772.png\" width=\"775\" height=\"238\" name=\"Imagem 58\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>E = E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> \u2013 E<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= &#8211; 1,28 eV \u2013 (- 2,93 eV) = 1,65 eVx1,6.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-19<\/b><\/span><\/span><\/sup><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 2,64.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-19<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> J; h = 6,6.10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-34<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> J.s e f = ?<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>E = h.f <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 60\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> 2,64.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-19<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 6,6.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-34<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.f <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 61\" align=\"BOTTOM\" border=\"0\" \/> f = 2,64.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-19<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\/6,6.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>-34<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 0,4.10<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>15<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 62\" align=\"BOTTOM\" border=\"0\" \/> <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>f = 4 . 10<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>14<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> Hz.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- A<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">06-<\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Eco<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_4aafd56e.png\" width=\"773\" height=\"264\" name=\"Imagem 63\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Veja na informa\u00e7\u00e3o acima se, para cada 0,1 s o afastamento deve ser de 17 m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>, para <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>cada 0,3 s dever\u00e1 ser de d<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 17&#215;3 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>= 51 m.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">07-<\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Acelera\u00e7\u00e3o da Gravidade<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Terra (ou qualquer outro planeta)<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0origina ao seu redor um\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>campo gravitacional<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0de maneira que\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>qualquer corpo de massa m,<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0quando colocado no interior desse campo fica sujeito \u00e0 uma\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>for\u00e7a de<\/b><\/span><\/span><\/span><span style=\"color: #111111;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>atra\u00e7\u00e3o gravitacional,<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0dirigida para o\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>centro da Terra<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0e de intensidade\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>F<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>G<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>=GMm\/r<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>,\u00a0sendo,\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>G<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0a\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>constante de gravita\u00e7\u00e3o universal, M a massa da Terra ou do planeta e r a dist\u00e2ncia do centro da Terra ou do planeta ao centro do corpo.\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Essas for\u00e7as que o corpo de\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa m<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0troca com o centro do <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>planeta de massa M<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0constituem par\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>a\u00e7\u00e3o e rea\u00e7\u00e3o.<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_cdfa9d4b.png\" width=\"373\" height=\"290\" name=\"Imagem 64\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c9054ff9.png\" width=\"774\" height=\"57\" name=\"Imagem 65\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_863b7b35.png\" width=\"775\" height=\"137\" name=\"Imagem 66\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Observe na express\u00e3o acima que a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa M do planeta \u00e9 diretamente proporcional \u00e0 acelera\u00e7\u00e3o da gravidade do mesmo <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>e, assim, como a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa da Terra \u00e9 100 vezes menor que a de Saturno o g da Terra ser\u00e1 100 vezes menor que o de Saturno <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 67\" align=\"BOTTOM\" border=\"0\" \/> g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\/100 .<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ao mesmo tempo, a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>acelera\u00e7\u00e3o da gravidade g \u00e9 inversamente proporcional ao quadrado do raio do planeta e, assim, como o raio de Saturno \u00e9 9 vezes maior que o da Terra o g da Terra ser\u00e1 9<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 81 maior que o de Saturno <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 68\" align=\"BOTTOM\" border=\"0\" \/> g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 81g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Assim <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> ser\u00e1 ao mesmo tempo 100 vezes menor e 81 vezes maior que g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 69\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = (81\/100).g<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> e <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = (100\/81)g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 70\" align=\"BOTTOM\" border=\"0\" \/> g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 1,234g<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como a <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>massa do objeto \u00e9 a mesma em qualquer planeta e P = m.g o peso do objeto em Saturno ser\u00e1 <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>P<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> = 1,234P<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>T<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- D<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">08-<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00fanica correta \u00e9 a alternativa (A), pois a for\u00e7a que empurra a prateleira para baixo \u00e9 o peso de cada uma e, como P = m.g sendo m e g constantes o peso de cada uma ser\u00e1 o mesmo.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- A<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">09-<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>B) errada <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 71\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> no <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>espelho c\u00f4ncavo objeto sobre o foco n\u00e3o fornece imagem<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> (ela \u00e9 impr\u00f3pria, est\u00e1 no infinito).<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>C) errada <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 72\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b> o <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>espelho plano fornece imagem virtual <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(atr\u00e1s do espelho) e do <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>mesmo tamanho que o do objeto.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>D) errada <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 73\" align=\"BOTTOM\" border=\"0\" \/><\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>espelho convexo fornece sempre para qualquer posi\u00e7\u00e3o do objeto imagem virtual <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>(atr\u00e1s do espelho), <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>menor e <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: medium;\"><b>direita.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A) Correta <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_c82b2898.png\" width=\"31\" height=\"10\" name=\"Imagem 74\" align=\"BOTTOM\" border=\"0\" \/> veja esquema abaixo:<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\">\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ufu\/UFU_html_9ec77ffb.png\" alt=\"UFU\" width=\"767\" height=\"342\" name=\"Imagem 75\" align=\"BOTTOM\" border=\"0\" \/><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- A<\/b><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\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>UFU \u2013 MG \u2013 meio do ano \u2013 2019\/2020 Universidade Federal de Uberl\u00e2ndia\u00a0(UFU) \u00e9 uma\u00a0institui\u00e7\u00e3o de ensino superior\u00a0p\u00fablica\u00a0brasileira, sendo uma das\u00a063 universidades p\u00fablicas federais\u00a0do pa\u00eds e uma das principais do\u00a0estado\u00a0de\u00a0Minas Gerais, no\u00a0Sudeste\u00a0do Brasil. Est\u00e1 sediada no\u00a0munic\u00edpio\u00a0de\u00a0Uberl\u00e2ndia, possuindo campi nas cidades de\u00a0Ituiutaba,\u00a0Monte Carmelo\u00a0e\u00a0Patos de Minas. O Ranking Universit\u00e1rio Folha (RUF), da Folha de S.Paulo, colocou a UFU como a 26\u00aa melhor<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4337,"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-4790","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4790","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=4790"}],"version-history":[{"count":3,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4790\/revisions"}],"predecessor-version":[{"id":10152,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4790\/revisions\/10152"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4337"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=4790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}