{"id":4495,"date":"2019-06-30T23:17:29","date_gmt":"2019-06-30T23:17:29","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=4495"},"modified":"2024-07-11T12:19:04","modified_gmt":"2024-07-11T12:19:04","slug":"ifnmg-2019","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2019\/ifnmg-2019\/","title":{"rendered":"IFNMG- 2019"},"content":{"rendered":"<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG) &#8211; 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_1de4fb6.png\" alt=\"IFNMG\" width=\"235\" height=\"217\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>O\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG) \u00e9 uma institui\u00e7\u00e3o p\u00fablica que oferta gratuitamente cursos t\u00e9cnicos, superiores e de forma\u00e7\u00e3o em v\u00e1rias \u00e1reas, n\u00edveis e modalidades nas regi\u00f5es Norte e Nordeste de Minas e Vales do Jequitinhonha e Mucuri.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Unidades formadoras<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Centro Federal de Educa\u00e7\u00e3o Tecnol\u00f3gica de Janu\u00e1ria<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>O Centro Federal de Educa\u00e7\u00e3o Tecnol\u00f3gica de Janu\u00e1ria foi uma institui\u00e7\u00e3o de ensino t\u00e9cnico e superior localizada no munic\u00edpio de\u00a0<\/b><\/span><\/span><\/span><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Janu%C3%A1ria\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><u><b>Janu\u00e1ria<\/b><\/u><\/span><\/span><\/span><\/a><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>. Atualmente ele \u00e9 um dos\u00a0<\/b><\/span><\/span><\/span><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>\u00a0do Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Escola Agrot\u00e9cnica Federal de Salinas<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>A\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Escola Agrot\u00e9cnica Federal de Salinas (EAF-SALINAS)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>\u00a0foi uma institui\u00e7\u00e3o de ensino t\u00e9cnico e superior localizada no munic\u00edpio de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Salinas\">Salinas<\/a>&#8211;<a href=\"https:\/\/pt.wikipedia.org\/wiki\/MG\">MG<\/a>. Atualmente ela \u00e9 um dos\u00a0<\/b><\/span><\/span><\/span><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>\u00a0do\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais (IFNMG)<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>.<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campi<\/b><\/span><\/span><\/span><\/p>\n<ul>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Almenara \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Almenara\">Almenara<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Ara\u00e7ua\u00ed \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Ara%C3%A7ua%C3%AD\">Ara\u00e7ua\u00ed<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Arinos \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Arinos\">Arinos<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Diamantina \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Diamantina\">Diamantina<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Janu\u00e1ria \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Janu%C3%A1ria\">Janu\u00e1ria<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Montes Claros \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Montes_Claros\">Montes Claros<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Pirapora \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Pirapora\">Pirapora<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Salinas \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Salinas\">Salinas<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Te\u00f3filo Otoni \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Te%C3%B3filo_Otoni\">Te\u00f3filo Otoni<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Avan\u00e7ado Jana\u00faba \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Jana%C3%BAba\">Jana\u00faba<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Viner Hand ITC, serif;\"><span style=\"font-size: large;\"><b>Campus Avan\u00e7ado Porteirinha \u00e9 uma unidade de ensino localizada no munic\u00edpio mineiro de\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Porteirinha\">Porteirinha<\/a>.<\/b><\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>01- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Ao <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>projetarem uma rede el\u00e1stica de resgate,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> a ser <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>empregada por bombeiros nos casos de inc\u00eandio em pequenos edif\u00edcios, t\u00e9cnicos de uma empresa idealizaram o modelo mec\u00e2nico ilustrado<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> na figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m4dadec30.png\" width=\"468\" height=\"254\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>No <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>modelo mec\u00e2nico apresentado, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>al\u00e9m dos <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>dados dispon\u00edveis na FIGURA,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> considera-se que a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>massa da pessoa resgatada vale 80,0 kg<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> e que a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>velocidade do seu centro de massa \u00e9 nula nos planos <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>e <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>.<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Admitindo-se tamb\u00e9m que a resist\u00eancia do ar sobre o movimento da pessoa \u00e9 desprez\u00edvel <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e que <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>g = 10 m\/s<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>2<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>valor correto da constante el\u00e1stica que deve ter o material da rede \u00e9:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>A) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>48,0 kN\/m <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>B) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>16,0 kN\/m <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>C) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>32,0 kN\/m <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>D) <\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span lang=\"en-US\"><b>24,0 kN\/m <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>02- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Aninha, que tem massa igual a 40 kg<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, \u00e9 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>transportada por Henrique, de massa 50 kg, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>na <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>garupa<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> de uma <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>bicicleta, cuja massa \u00e9 10 kg<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, como se v\u00ea na <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m50eadfb7.png\" width=\"270\" height=\"163\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Em <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>dado instante, quando a bicicleta movia-se a 2,0 m\/s, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>menina salta para tr\u00e1s,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> com <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>velocidade <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>m\u00f3dulo de 2,5 m\/s em rela\u00e7\u00e3o ao solo.<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Ap\u00f3s o salto, Henrique continua na bicicleta, afastando-se da menina.<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> Nessas <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>condi\u00e7\u00f5es, o m\u00f3dulo da velocidade da bicicleta \u2013 em rela\u00e7\u00e3o ao solo \u2013, imediatamente ap\u00f3s o salto de Aninha, ser\u00e1 igual a:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>3,0 m\/s <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>4,5 m\/s <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>5,0 m\/s <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>6,0 m\/s<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>03- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>experimento de astronomia foi esquematizado como se ilustra na figura.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Nesse esquema, em uma observa\u00e7\u00e3o astron\u00f4mica realizada no m\u00eas de janeiro,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> um pesquisador<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m17e6fef9.png\" width=\"349\" height=\"223\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>observa a estrela <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>E <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>e a localiza \u2013 contra o fundo das chamadas \u201cestrelas fixas\u201d \u2013 na posi\u00e7\u00e3o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>P<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>.<\/b><\/span><\/span><b> <\/b><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>No <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>m\u00eas de julho, ao repetir a observa\u00e7\u00e3o dessa mesma estrela <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>E<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> o pesquisador a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>localizar\u00e1 na posi\u00e7\u00e3o:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>III <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>I <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>II <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>IV<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>04- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>ciclo de combust\u00e3o no cilindro de um motor a \u00e1lcool<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> pode ser <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>representado<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u2013 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>simplificadamente e fora de escala <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u2013 pelo <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>diagrama da figura.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m5b80f50b.png\" width=\"569\" height=\"244\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Nesse diagrama, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>durante a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>compress\u00e3o <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u2013 no <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>processo de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>I <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>para <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>F <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u2013, o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>volume da mistura \u00e9 reduzido de V<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>I<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> para V<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>F<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Nesse caso, sabe-se que a efici\u00eancia termodin\u00e2mica (E) depende da taxa de compress\u00e3o e \u00e9 dada por: <\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_72ee3d23.png\" width=\"105\" height=\"59\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Considerando-se os dados num\u00e9ricos <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>do <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>diagrama e admitindo-se, numa primeira aproxima\u00e7\u00e3o, que a mistura ar-\u00e1lcool comporta-se como um g\u00e1s ideal, o valor correto de E ser\u00e1:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>0,70 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>0,25 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>0,40 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>0,60<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>05- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Considere que uma subst\u00e2ncia S comporta-se segundo o diagrama de fases<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> ilustrado na figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_4874e103.png\" width=\"522\" height=\"234\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>De acordo com esse diagrama<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, se uma <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>amostra da subst\u00e2ncia S estiver a 35<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>o<\/b><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> C de temperatura e sob press\u00e3o de 3,75 atm, o estado de agrega\u00e7\u00e3o da amostra <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>ser\u00e1:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A)<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> l\u00edquido <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>vapor <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>g\u00e1s <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>s\u00f3lido<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>06- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>modelo te\u00f3rico para se estudar o fen\u00f4meno de refra\u00e7\u00e3o, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>proposto por <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Huygens, no final do s\u00e9culo XVII, est\u00e1 esquematizado na figura abaixo:<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m7fa55c50.png\" width=\"265\" height=\"223\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Quanto \u00e0 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>proposi\u00e7\u00e3o de Huygens, \u00e9 correto afirmar que:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>para um dado par de meios, esse modelo prev\u00ea que a raz\u00e3o entre os senos dos \u00e2ngulos de incid\u00eancia e de refra\u00e7\u00e3o \u00e9 constante.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>tal modelo fundamenta-se na concep\u00e7\u00e3o corpuscular para a natureza da luz, ou seja, na hip\u00f3tese de que a luz \u00e9 formada de part\u00edculas.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>o comprimento de onda da luz, nos fen\u00f4menos refrativos, \u00e9 diretamente proporcional ao \u00edndice de refra\u00e7\u00e3o do meio em que ela se propaga.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>esse modelo somente se aplica \u00e0 refra\u00e7\u00e3o de vibra\u00e7\u00f5es longitudinais, em meios materiais e para pequenos comprimentos de onda.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>07- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>projeto de Aninha para a feira de ci\u00eancias<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u201cboneco el\u00e9trico\u201d,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> est\u00e1 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>ilustrado<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> na figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_3f62f591.png\" width=\"242\" height=\"180\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Nessa montagem, a estudante empregou uma bateria \u2013 nova \u2013 de 9,00 volts, um LED que funciona sob tens\u00e3o de 2,70 volts<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> e <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>corrente de 20,0 mA<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, al\u00e9m de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>tr\u00eas resistores id\u00eanticos,<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>cada qual <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>tendo <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>resist\u00eancia el\u00e9trica R. <\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Com <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>tais elementos, Aninha montou o circuito do seu projeto assim:<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>enquanto uma das m\u00e3os do boneco toca o polo positivo da bateria, os p\u00e9s mant\u00eam contato com uma placa met\u00e1lica condutora, onde o outro polo est\u00e1 encostado e, desse modo, o LED acende.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Nessas condi\u00e7\u00f5es, <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>admitindo-se que o LED esteja operando de acordo com as suas especifica\u00e7\u00f5es, o valor correto<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>R<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> deve ser:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>630 \u03a9 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>125 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u03a9 C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>210 \u03a9 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>400 \u03a9<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>8- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Em 1915, <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>William Henry Bragg e seu filho, William Lawrence Bragg,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> ganharam o pr\u00eamio Nobel por <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>suas pesquisas sobre a estrutura cristalina<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>. Essencialmente, o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>m\u00e9todo dos Bragg pode ser esquematizado como se v\u00ea na figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_516b0147.png\" width=\"583\" height=\"205\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Nessa esquematiza\u00e7\u00e3o, um feixe de Raios X, com comprimento de onda <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><i><b>\u03bb<\/b><\/i><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>incide numa <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>amostra de cristal e, ao ser espalhado pelos planos at\u00f4micos da estrutura cristalina, sofre interfer\u00eancia construtiva. <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Quanto a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>esse experimento, \u00e9 correto afirmar <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>que:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>pode ser realizado, igualmente, com um feixe de el\u00e9trons em substitui\u00e7\u00e3o aos Raios X.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>a dist\u00e2ncia d entre os planos at\u00f4micos \u00e9 diretamente proporcional ao produto <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><i><b>\u03bb \u2219 <\/b><\/i><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>sen\u03b8.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>uma placa transparente de PVC tamb\u00e9m produziria o efeito de interfer\u00eancia observado.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>um feixe de ultrassom, suficientemente potente, poderia ser utilizado em substitui\u00e7\u00e3o aos Raios X.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>09- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Os <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>crocodilos, costumeiramente, optam por flutuar pr\u00f3ximo \u00e0 superf\u00edcie da \u00e1gua <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>manter apenas o topo da cabe\u00e7a emersa.<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> Ao <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>estudar<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> esse comportamento, um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>biof\u00edsico construiu o modelo <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>da figura abaixo:<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m4ca693b9.png\" width=\"684\" height=\"177\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>corpo desse modelo, cujo material tem densidade igual a 980 kg\/m<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u00e9 um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>bloco maci\u00e7o com as dimens\u00f5es seguintes: <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>2,0 m x 0,60 m x 0,25 m. A <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u00e1gua do tanque de testes apresenta densidade igual a 1,0 x 10<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> kg\/m<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> e, <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>no local, <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>g = 10 m\/s<\/b><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><b>2<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>. Nas <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>condi\u00e7\u00f5es dadas, o valor correto do peso da cabe\u00e7a do modelo<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u00e9:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>40 N <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B)<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> 85 N <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>60 N <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>75 N<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>10- <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2893a5f.jpg\" width=\"209\" height=\"126\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Um <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>estudante analisou o experimento ilustrado na figura abaixo.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_3a127aae.png\" width=\"325\" height=\"211\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Sobre esse experimento, em que um el\u00e9tron, inicialmente com velocidade de valor vo, penetra em uma regi\u00e3o material e<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>submete-se a um campo magn\u00e9tico <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> o estudante <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>escreveu:<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u201cA <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>dire\u00e7\u00e3o de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u00e9 perpendicular ao plano da figura,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> o seu <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>sentido \u00e9 para <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>________ <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>desse plano <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e sua <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>velocidade no ponto P<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u00e9 _________ <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>v<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>o<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>\u201d. <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>O <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>texto do estudante estar\u00e1<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>correto se as lacunas nele presentes forem preenchidas, respectivamente, com os termos:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>A) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>dentro; menor que<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>B) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>dentro; igual a<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>C) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>fora; maior que <\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>D) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>fora, igual a<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">Resolu\u00e7\u00e3o comentada das quest\u00f5es de F\u00edsica do <\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>\u00a0(IFNMG)- 2019<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">01-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m56a01da2.png\" width=\"770\" height=\"218\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">R- B<\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">02-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Quantidade de movimento do sistema antes do salto<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> ( M = m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>Aninha<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> + m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>Henrique<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> + m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>bike<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> = 100 kg) quando se <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>movem juntos com velocidade V = 2 m\/s<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> (figura antes) <\/b><\/span><\/span> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_218a41c4.png\" width=\"22\" height=\"14\" align=\"BOTTOM\" border=\"0\" \/><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sa<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = M<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>s<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>.V <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>= 100.2 <\/b><\/span><\/span> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_218a41c4.png\" width=\"22\" height=\"14\" align=\"BOTTOM\" border=\"0\" \/><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sa<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = 200 kg.m\/s.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_446a425c.png\" width=\"498\" height=\"180\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Quantidade de movimento depois do salto quando Aninha <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>(m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>A<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> = 40 kg) se <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>move para tr\u00e1s com V<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>a<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = &#8211; 2,5 m\/s) <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Henrique mais bike (M\u2019 = 60 kg<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>) se <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>movem para a frente com velocidade V\u2019<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> (figura depois).<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sd<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = m<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>A<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>.V<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>A<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> + M\u2019.V<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>\u2019 = 40.(-2,5) + 60.V\u2019<\/b><\/span><\/span><b> <\/b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_218a41c4.png\" width=\"22\" height=\"14\" align=\"BOTTOM\" border=\"0\" \/><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sd<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = -100 + 60V\u2019.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Pelo <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>princ\u00edpio da conserva\u00e7\u00e3o da quantidade de movimento <\/b><\/span><\/span> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_218a41c4.png\" width=\"22\" height=\"14\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sa<\/b><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> = Q<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>sd<\/b><\/span><\/sub><\/span><b> <\/b> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_218a41c4.png\" width=\"22\" height=\"14\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> 200 = -100 + <\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m38129fb5.png\" width=\"262\" height=\"41\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">R- C<\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">03-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Se em <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Janeiro a Terra est\u00e1 na posi\u00e7\u00e3o 1,<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> em <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Julho<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> (seis meses depois) <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>ela estar\u00e1 na posi\u00e7\u00e3o 2.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_67189181.png\" width=\"386\" height=\"221\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Veja na <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>figura abaixo <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>que <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>com a Terra em 2 o observador ver\u00e1 a estrela na posi\u00e7\u00e3o IV <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>quando <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>comparada com a Terra na posi\u00e7\u00e3o 1.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R &#8211; D <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">04-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m54c7f1da.png\" width=\"777\" height=\"117\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><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=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">05-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Diagrama de estado \u2013 ponto triplo, tr\u00edplice \u2013 C)<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m5119ea9b.png\" width=\"775\" height=\"522\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>Veja figura abaixo:<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_2c504d75.png\" width=\"519\" height=\"263\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><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=\"font-family: Times New Roman, serif;\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">06-<\/span><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Princ\u00edpio de Huygens<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> &#8220;<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>todos os pontos de uma frente de onda podem ser considerados fontes de ondas secund\u00e0rias que se espalham em todas as dire\u00e7\u00f4es com uma velocidade igual \u00e0 de propaga\u00e7\u00e3o da onda.&#8221;<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Com o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>princ\u00edpio de Huygens podemos analisar a dire\u00e7\u00e3o de refra\u00e7\u00e3o <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>e reflex\u00e3o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>da onda luz<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>. A <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>refra\u00e7\u00e3o \u00e9 um fen\u00f4meno em que a luz incide em um determinado meio e acaba desviando do seu curso natural com um determinado \u00e2ngulo, mudando assim a velocidade e frequ\u00eancia da onda.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Baseado no princ\u00edpio de <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Huygens, podemos citar a lei de Snell-Descartes.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_3e7048c2.png\" width=\"775\" height=\"74\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\">R- A<\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>07-<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Esquematizando o circuito e calculando a resist\u00eancia do resistor equivalente R<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>eq<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> na sequ\u00eancia abaixo:<\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_2e648918.png\" width=\"778\" height=\"258\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_65d4ae6d.png\" width=\"782\" height=\"101\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- C <\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>08-<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>Raio X \u00e9 uma onda eletromagn\u00e9tica. El\u00e9trons s\u00e3o part\u00edculas com carga el\u00e9trica. <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Mas, a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><b>dualidade part\u00edcula-onda<\/b><\/span><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>foi <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>enunciada pela primeira vez em\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/1924\">1924<\/a>, pelo f\u00edsico franc\u00eas\u00a0<a href=\"https:\/\/pt.wikipedia.org\/wiki\/Louis_de_Broglie\">Louis-Victor de Broglie<\/a>, que<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> anunciou que os <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><b>el\u00e9trons apresentavam caracter\u00edsticas tanto ondulat\u00f3rias como corpusculares,<\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b> comportando-se de um ou outro mod<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>o dependendo do experimento espec\u00edfico.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><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 class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>09-<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\">Enunciado do princ\u00edpio de Arquimedes<\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m57368712.png\" width=\"775\" height=\"127\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\">Se o corpo estiver parcialmente imerso<\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m7859721.png\" width=\"765\" height=\"193\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>No <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>caso do exerc\u00edcio s\u00e3o dados:<\/b><\/span><\/span><b> <\/b><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>densidade do bloco de madeira d<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>corpo<\/b><\/span><\/sub><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>= 680 kg\/m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>; <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>volume da parte imersa V<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>imersa<\/b><\/span><\/sub><\/span><b> <\/b><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>= 2&#215;0,6&#215;0,25 <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>= 0,3 m<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>; <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>densidade da \u00e1gua d<\/b><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><b>\u00e1gua <\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>= 1,0.10<\/b><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> kg\/m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> e <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>volume total = volume do corpo (imerso) + volume da cabe\u00e7a (emerso<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>) = 0,3 m<\/b><\/span><\/span><span style=\"color: #c00000;\"><sup><span style=\"font-family: Arial, serif;\"><b>3<\/b><\/span><\/sup><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> + V<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>cabe\u00e7a<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>.<\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_14dc659b.png\" width=\"775\" height=\"180\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>R- C<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><span style=\"font-size: large;\"><b>10-<\/b><\/span><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><b>Breve resumo da teoria<\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_23b0e34f.png\" width=\"775\" height=\"74\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_fe58b6e.png\" width=\"775\" height=\"236\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\" align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial Black, serif;\"><b>Regra da m\u00e3o esquerda<\/b><\/span><\/span><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m33ac3eb.png\" width=\"775\" height=\"228\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>Aplicando a <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>regra da m\u00e3o esquerda no ponto onde o el\u00e9tron <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>(carga negativa) <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>est\u00e1 penetrando na regi\u00e3o de campo magn\u00e9tico<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> voc\u00ea verificar\u00e1 que o <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><b>campo magn\u00e9tico B est\u00e1 saindo da folha<\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>, mas como <\/b><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial Black, serif;\"><b>\u00e9 carga negativa estar\u00e1 entrando. <\/b><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b>(lembre-se de que em cada ponto V<\/b><\/span><\/span><span style=\"color: #c00000;\"><sub><span style=\"font-family: Arial, serif;\"><b>o<\/b><\/span><\/sub><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><b> \u00e9 tangente \u00e0 trajet\u00f3ria e F \u00e9 dirigida para o centro da circunfer\u00eancia). \u201cveja figura abaixo\u201d.<\/b><\/span><\/span><\/p>\n<p class=\"western\" align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_m2f9364d0.png\" width=\"292\" height=\"214\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/universidades-2019\/ifnmg\/0666376001561691155_ifnmg_html_1ba1916e.png\" width=\"779\" height=\"97\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p class=\"western\"><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 class=\"western\"><a name=\"_GoBack\"><\/a><\/p>\n<p><a href=\"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2019\/\">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>Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais\u00a0(IFNMG) &#8211; 2019 O\u00a0Instituto Federal de Educa\u00e7\u00e3o, Ci\u00eancia e Tecnologia do Norte de Minas Gerais\u00a0(IFNMG) \u00e9 uma institui\u00e7\u00e3o p\u00fablica que oferta gratuitamente cursos t\u00e9cnicos, superiores e de forma\u00e7\u00e3o em v\u00e1rias \u00e1reas, n\u00edveis e modalidades nas regi\u00f5es Norte e Nordeste de Minas e Vales do Jequitinhonha e Mucuri. Unidades formadoras<\/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-4495","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4495","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=4495"}],"version-history":[{"count":3,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4495\/revisions"}],"predecessor-version":[{"id":10313,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4495\/revisions\/10313"}],"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=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}