{"id":2860,"date":"2017-04-12T04:58:52","date_gmt":"2017-04-12T04:58:52","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=2860"},"modified":"2024-09-03T16:54:14","modified_gmt":"2024-09-03T16:54:14","slug":"uem-2017","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2017\/uem-2017\/","title":{"rendered":"UEM 2017"},"content":{"rendered":"

\"\"<\/p>\n

A\u00a0Universidade Estadual de Maring\u00e1\u00a0(UEM)<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>\u00e9 uma institui\u00e7\u00e3o p\u00fablica de ensino superior, mantida pelo Estado do Paran\u00e1. Com sede na cidade de\u00a0<\/b><\/span><\/span><\/span>Maring\u00e1<\/b><\/span><\/span><\/span><\/a>, possui campus nas cidades de\u00a0<\/b><\/span><\/span><\/span>Cianorte<\/b><\/span><\/span><\/span><\/a>,\u00a0<\/b><\/span><\/span><\/span>Cidade Ga\u00facha<\/b><\/span><\/span><\/span><\/a>,\u00a0<\/b><\/span><\/span><\/span>Goioer\u00ea<\/b><\/span><\/span><\/span><\/a>,\u00a0<\/b><\/span><\/span><\/span>Ivaipor\u00e3<\/b><\/span><\/span><\/span><\/a>\u00a0e\u00a0<\/b><\/span><\/span><\/span>Umuarama<\/b><\/span><\/span><\/span><\/a>, e extens\u00f5es nos distritos de\u00a0<\/b><\/span><\/span><\/span>Floriano (Maring\u00e1)<\/b><\/span><\/span><\/span><\/a>\u00a0(Centro de Psicultura) e\u00a0<\/b><\/span><\/span><\/span>Iguatemi (Maring\u00e1)<\/b><\/span><\/span><\/span><\/a>\u00a0(Fazenda Experimental) e na cidade de\u00a0<\/b><\/span><\/span><\/span>Porto Rico<\/b><\/span><\/span><\/span><\/a>(Centro de Pesquisa em Porto Rico \u2013 Nup\u00e9lia). A institui\u00e7\u00e3o oferta 63\u00a0<\/b><\/span><\/span><\/span>cursos de Gradua\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a>, 85 cursos de\u00a0<\/b><\/span><\/span><\/span>Especializa\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a>, 30 cursos de\u00a0<\/b><\/span><\/span><\/span>Mestrado<\/b><\/span><\/span><\/span><\/a>, 17 cursos de\u00a0<\/b><\/span><\/span><\/span>Doutorado<\/b><\/span><\/span><\/span><\/a>\u00a0e 2 cursos de\u00a0<\/b><\/span><\/span><\/span>P\u00f3s-Doutorado<\/b><\/span><\/span><\/span><\/a>. Considerada uma das melhores universidades do\u00a0<\/b><\/span><\/span><\/span>Brasil<\/b><\/span><\/span><\/span><\/a>, a UEM possui cursos de destaque em todo o \u00e2mbito nacional, os quais atraem estudantes do pa\u00eds inteiro. O Campus Sede, com aproximadamente 100 hectares, fica no centro de Maring\u00e1, e tem uma popula\u00e7\u00e3o universit\u00e1ria de aproximadamente 20 mil pessoas, entre alunos, professores e servidores.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

Em 2012, a Universidade Estadual de Maring\u00e1 foi classificada como a<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>melhor universidade<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>do estado do Paran\u00e1, pelo quarto ano consecutivo, segundo o\u00a0<\/b><\/span><\/span><\/span>\u00cdndice Geral de Cursos (IGC)<\/b><\/span><\/span><\/span><\/a>\u00a0do\u00a0<\/b><\/span><\/span><\/span>Minist\u00e9rio da Educa\u00e7\u00e3o<\/b><\/span><\/span><\/span><\/a>.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

A UEM realiza anualmente os Vestibulares de Inverno, com provas em julho, e de Ver\u00e3o com provas em dezembro. Tamb\u00e9m abre vestibulares para os cursos a dist\u00e2ncia, de acordo com sua implanta\u00e7\u00e3o.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

01-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

02-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Os <\/b><\/span><\/span><\/span>raios X e outras formas de radia\u00e7\u00e3o ionizante <\/b><\/span><\/span><\/span>s\u00e3o muito <\/b><\/span><\/span><\/span>utilizados em diagn\u00f3sticos e terapias m\u00e9dicas.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Sobre este <\/b><\/span><\/span><\/span>assunto,<\/b><\/span><\/span><\/span> <\/b>assinale<\/b><\/span><\/span><\/span> a(s) <\/b><\/span><\/span><\/span>alternativa(s) correta(s)<\/b><\/span><\/span><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

Considere <\/b><\/span><\/span><\/span>1 eV = 1,6<\/b><\/span><\/span><\/span>\uf0b4<\/b><\/span><\/span><\/span>10<\/b><\/span><\/span><\/span>-19<\/b><\/span><\/span><\/sup><\/span> J <\/b><\/span><\/span><\/span>e a <\/b><\/span><\/span><\/span>constante de Planck h = 4<\/b><\/span><\/span><\/span>\uf0b4<\/b><\/span><\/span><\/span>10<\/b><\/span><\/span><\/span>-15<\/b><\/span><\/span><\/sup><\/span> eV<\/b><\/span><\/span><\/span>\uf0d7<\/b><\/span><\/span><\/span>s. <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>As <\/b><\/span><\/span><\/span>radia\u00e7\u00f5es ionizantes podem gerar danos na medula \u00f3ssea.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Uma <\/b><\/span><\/span><\/span>dose m\u00ednima de radia\u00e7\u00e3o <\/b><\/span><\/span><\/span>para <\/b><\/span><\/span><\/span>gerar tal dano <\/b><\/span><\/span><\/span>tem valor de <\/b><\/span><\/span><\/span>0,5 J<\/b><\/span><\/span><\/span>\uf02f<\/b><\/span><\/span><\/span>kg. <\/b><\/span><\/span><\/span>Portanto, <\/b><\/span><\/span><\/span>neste caso, <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>energia total absorvida por um indiv\u00edduo de 70 kg \u00e9 de 35 J.<\/b><\/span><\/span><\/span><\/p>\n

04) <\/b><\/span><\/span><\/span>As <\/b><\/span><\/span><\/span>causas de morte celular devido \u00e0s radia\u00e7\u00f5es ionizantes <\/b><\/span><\/span><\/span>podem ser <\/b><\/span><\/span><\/span>resultantes de fal\u00eancia reprodutiva celular, necrose ou apoptose. <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>Equipamentos <\/b><\/span><\/span><\/span>para tratamento de c\u00e2ncer<\/b><\/span><\/span><\/span>, tais como <\/b><\/span><\/span><\/span>aceleradores lineares<\/b><\/span><\/span><\/span>, trabalham com <\/b><\/span><\/span><\/span>radia\u00e7\u00f5es de energia de 9 MeV<\/b><\/span><\/span><\/span>. Isso \u00e9 <\/b><\/span><\/span><\/span>equivalente a aproximadamente 1,4<\/b><\/span><\/span><\/span>\uf0b4<\/b><\/span><\/span><\/span>10<\/b><\/span><\/span><\/span>-12<\/b><\/span><\/span><\/sup><\/span> J. <\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>Equipamentos de <\/b><\/span><\/span><\/span>raios X para a realiza\u00e7\u00e3o de exames de radiografia <\/b><\/span><\/span><\/span>tipicamente <\/b><\/span><\/span><\/span>trabalham com radia\u00e7\u00f5es com energia de 40 keV<\/b><\/span><\/span><\/span>. Portanto, os <\/b><\/span><\/span><\/span>f\u00f3tons de raios X nesses equipamentos possuem frequ\u00eancia de 20<\/b><\/span><\/span><\/span>\uf0b4<\/b><\/span><\/span><\/span>10<\/b><\/span><\/span><\/span>18<\/b><\/span><\/span><\/sup><\/span> Hz.<\/b><\/span><\/span><\/span><\/p>\n

 <\/p>\n

03-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

O <\/b><\/span><\/span><\/span>Brasil est\u00e1 situado no centro da placa tect\u00f4nica sul-americana. <\/b><\/span><\/span><\/span><\/p>\n

Segundo o <\/b><\/span><\/span><\/span>Instituto de Astronomia, Geof\u00edsica e Ci\u00eancias Atmosf\u00e9ricas da Universidade de S\u00e3o Paulo, <\/b><\/span><\/span><\/span>no <\/b><\/span><\/span><\/span>s\u00e9culo XX<\/b><\/span><\/span><\/span> registrou-se mais de uma <\/b><\/span><\/span><\/span>centena de terremotos no territ\u00f3rio brasileiro<\/b><\/span><\/span><\/span> com<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

magnitudes que atingiram at\u00e9 6,6 graus na escala Richter<\/b><\/span><\/span><\/span>, sendo a <\/b><\/span><\/span><\/span>maioria deles com magnitudes <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span>n\u00e3o ultrapassaram 4,0 graus nessa escala. <\/b><\/span><\/span><\/span>Sobre <\/b><\/span><\/span><\/span>esse assunto, \u00e9 correto <\/b><\/span><\/span><\/span>afirmar que: <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>Se a <\/b><\/span><\/span><\/span>magnitude M de um terremoto \u00e9 calculada pela express\u00e3o M <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 2\/3log(E <\/b><\/span><\/span><\/span>\uf02d<\/b><\/span><\/span><\/span>13\/4), <\/b><\/span><\/span><\/span>sendo <\/b><\/span><\/span><\/span>E<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>energia do abalo s\u00edsmico em Joules<\/b><\/span><\/span><\/span>, pode-se dizer que <\/b><\/span><\/span><\/span>um tremor com magnitude M <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 6,0 <\/b><\/span><\/span><\/span>na <\/b><\/span><\/span><\/span>escala Richter possui uma energia de aproximadamente 10<\/b><\/span><\/span><\/span>13,9<\/b><\/span><\/span><\/sup><\/span> Joules. <\/b><\/span><\/span><\/span><\/p>\n

04) <\/b><\/span><\/span><\/span>Os <\/b><\/span><\/span><\/span>terremotos s\u00e3o intensas vibra\u00e7\u00f5es na litosfera <\/b><\/span><\/span><\/span>decorrentes da <\/b><\/span><\/span><\/span>libera\u00e7\u00e3o da energia acumulada <\/b><\/span><\/span><\/span>em <\/b><\/span><\/span><\/span>pontos das placas tect\u00f4nicas que se movem constantemente. <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>litosfera est\u00e1 dividida em placas tect\u00f4nicas,<\/b><\/span><\/span><\/span> sendo que as <\/b><\/span><\/span><\/span>maiores <\/b><\/span><\/span><\/span>s\u00e3o: <\/b><\/span><\/span><\/span>Norte-Americana, Sul-Americana, do Pac\u00edfico, Ant\u00e1rtica, Indo-Australiana, Euroasi\u00e1tica e Africana. <\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>Um <\/b><\/span><\/span><\/span>terremoto de magnitude 7,0 na escala Richter <\/b><\/span><\/span><\/span>\u00e9 uma vez <\/b><\/span><\/span><\/span>mais destruidor que um terremoto de magnitude 6,0 nessa mesma escala.<\/b><\/span><\/span><\/span><\/p>\n

04-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Seja <\/b><\/span><\/span><\/span>S(t) <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> at<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> <\/b>\uf02b<\/b><\/span><\/span><\/span> bt <\/b><\/span><\/span><\/span>\uf02b<\/b><\/span><\/span><\/span> c <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>fun\u00e7\u00e3o hor\u00e1ria do movimento de uma part\u00edcula, <\/b><\/span><\/span><\/span>em que a <\/b><\/span><\/span><\/span>posi\u00e7\u00e3o S(t) <\/b><\/span><\/span><\/span>da <\/b><\/span><\/span><\/span>part\u00edcula \u00e9 dada em metros, <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span><\/span>tempo t \u00e9 dado em segundos,<\/b><\/span><\/span><\/span> e <\/b><\/span><\/span><\/span>a , b e c s\u00e3o constantes. <\/b><\/span><\/span><\/span><\/p>\n

Assinale <\/b><\/span><\/span><\/span>o que for <\/b><\/span><\/span><\/span>correto.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

01) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 0 , b <\/b><\/span><\/span><\/span>\uf03d\uf02d<\/b><\/span><\/span><\/span>1 e c <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span>15 <\/b><\/span><\/span><\/span>, ent\u00e3o o <\/b><\/span><\/span><\/span>movimento da part\u00edcula \u00e9 um movimento progressivo. <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>\uf0b9<\/b><\/span><\/span><\/span> 0 , b <\/b><\/span><\/span><\/span>\uf0b9<\/b><\/span><\/span><\/span> 0 e c <\/b><\/span><\/span><\/span>\uf03e<\/b><\/span><\/span><\/span> 0 <\/b><\/span><\/span><\/span>, ent\u00e3o <\/b><\/span><\/span><\/span>S<\/b><\/span><\/span><\/span> \u00e9 uma <\/b><\/span><\/span><\/span>fun\u00e7\u00e3o bijetora. <\/b><\/span><\/span><\/span><\/p>\n

04) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span>1, b <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 2 e c <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 3 , <\/b><\/span><\/span><\/span>ent\u00e3o a <\/b><\/span><\/span><\/span>velocidade m\u00e9dia da part\u00edcula<\/b><\/span><\/span><\/span>, quando <\/b><\/span><\/span><\/span>t varia de 1 t <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 2 s a 2 t <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 6 s, <\/b><\/span><\/span><\/span>\u00e9 de <\/b><\/span><\/span><\/span>10 m\/s. <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>Se a <\/b><\/span><\/span><\/span>part\u00edcula realiza um movimento uniforme, <\/b><\/span><\/span><\/span>ent\u00e3o podemos concluir que <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>\uf0b9<\/b><\/span><\/span><\/span> 0 e b <\/b><\/span><\/span><\/span>\uf03c<\/b><\/span><\/span><\/span> 0 . <\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>S(0) <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 3, S(1) <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 5 e S(2) <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 7, ent\u00e3o S(t) <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 2t <\/b><\/span><\/span><\/span>\uf02b<\/b><\/span><\/span><\/span> 3.<\/b><\/span><\/span><\/span><\/p>\n

05-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Considere uma <\/b><\/span><\/span><\/span>barra de a\u00e7o larga apoiada numa parede<\/b><\/span><\/span><\/span>, com <\/b><\/span><\/span><\/span>inclina\u00e7\u00e3o <\/b><\/span><\/span><\/span>\uf071<\/b><\/span><\/span><\/span> em <\/b><\/span><\/span><\/span>rela\u00e7\u00e3o ao plano <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

horizontal. <\/b><\/span><\/span><\/span>Considere <\/b><\/span><\/span><\/span>g <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span>10 m\/s<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span>. Assinale <\/b><\/span><\/span><\/span>o que for <\/b><\/span><\/span><\/span>correto. <\/b><\/span><\/span><\/span><\/p>\n

01) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>\uf071<\/b><\/span><\/span><\/span> <\/b>\uf03d<\/b><\/span><\/span><\/span> 4<\/b><\/span><\/span><\/span>\uf070<\/b><\/span><\/span><\/span> <\/b>e se a <\/b><\/span><\/span><\/span>dist\u00e2ncia do p\u00e9 da barra at\u00e9 a parede \u00e9 de 6 metros<\/b><\/span><\/span><\/span>, ent\u00e3o o <\/b><\/span><\/span><\/span>comprimento da barra \u00e9 de 6<\/b><\/span><\/span><\/span>\u221a<\/b><\/span><\/span><\/span>2 metros. <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>Um <\/b><\/span><\/span><\/span>bloco de massa m \u00e9 colocado sobre a barra.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Se o <\/b><\/span><\/span><\/span>bloco est\u00e1 na imin\u00eancia de escorregar para baixo<\/b><\/span><\/span><\/span> e se <\/b><\/span><\/span><\/span>\uf071\uf03d<\/b><\/span><\/span><\/span> <\/b>\uf070<\/b><\/span><\/span><\/span>\/6, <\/b><\/span><\/span><\/span>ent\u00e3o o <\/b><\/span><\/span><\/span>coeficiente de atrito entre o material do bloco e o a\u00e7o \u00e9 igual a <\/b><\/span><\/span><\/span>\u221a<\/b><\/span><\/span><\/span>3\/3. <\/b><\/span><\/span><\/span><\/p>\n

04) Suponhamos que <\/b><\/span><\/span><\/span>\uf071\uf03d<\/b><\/span><\/span><\/span> 0, <\/b><\/span><\/span><\/span>ou seja, que a barra est\u00e1 na <\/b><\/span><\/span><\/span>posi\u00e7\u00e3o horizontal<\/b><\/span><\/span><\/span>. Suponhamos que o <\/b><\/span><\/span><\/span>coeficiente de atrito est\u00e1tico entre um corpo de massa m <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span>15 kg e a barra \u00e9 0,5.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Nestas condi\u00e7\u00f5es, se <\/b><\/span><\/span><\/span>aplicarmos uma for\u00e7a F <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> 30 N no corpo em repouso, ent\u00e3o o corpo permanecer\u00e1 em repouso. <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>Suponhamos que <\/b><\/span><\/span><\/span>\uf071\uf03d<\/b><\/span><\/span><\/span> <\/b>\uf070<\/b><\/span><\/span><\/span>\/3. <\/b><\/span><\/span><\/span>Se colocarmos um <\/b><\/span><\/span><\/span>bloco de peso P <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span>18 N sobre a barra, ent\u00e3o a for\u00e7a normal do bloco sobre a barra ser\u00e1 de F<\/b><\/span><\/span><\/span>N<\/b><\/span><\/span><\/sub><\/span> = 18 N.<\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>for\u00e7a de atrito din\u00e2mico \u00e9 sempre diretamente proporcional \u00e0 \u00e1rea de contato do bloco com a superf\u00edcie sobre a qual est\u00e1 deslizando.<\/b><\/span><\/span><\/span><\/p>\n

06-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A <\/b><\/span><\/span><\/span>lei universal dos gases ideais <\/b><\/span><\/span><\/span>diz que o <\/b><\/span><\/span><\/span>volume de um g\u00e1s <\/b><\/span><\/span><\/span>varia de maneira <\/b><\/span><\/span><\/span>diretamente <\/b><\/span><\/span><\/span><\/p>\n

\"\"proporcional \u00e0 temperatura e inversamente proporcional \u00e0 press\u00e3o.<\/b><\/span><\/span><\/span> Assinale a(s) <\/b><\/span><\/span><\/span>alternativa(s) correta(s). <\/b><\/span><\/span><\/span><\/p>\n

01) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>equa\u00e7\u00e3o <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span>relaciona a press\u00e3o P, <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>temperatura T e o volume V <\/b><\/span><\/span><\/span>pode ser escrita como <\/b><\/span><\/span><\/span>V <\/b><\/span><\/span><\/span>\uf03d<\/b><\/span><\/span><\/span> k (P\/T), onde k \u00e9 uma constante de proporcionalidade. <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>Um <\/b><\/span><\/span><\/span>g\u00e1s submetido a uma press\u00e3o de 0,75 N<\/b><\/span><\/span><\/span>\uf02f<\/b><\/span><\/span><\/span>cm<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> na <\/b><\/span><\/span><\/span>temperatura de 300 K<\/b><\/span><\/span><\/span> ocupa um <\/b><\/span><\/span><\/span>volume de 8000 cm<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sup><\/span>.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Portanto a <\/b><\/span><\/span><\/span>constante de proporcionalidade ser\u00e1 igual a 20 N<\/b><\/span><\/span><\/span>\uf02f<\/b><\/span><\/span><\/span>cm<\/b><\/span><\/span><\/span>\uf0d7<\/b><\/span><\/span><\/span>K. <\/b><\/span><\/span><\/span><\/p>\n

04) <\/b><\/span><\/span><\/span>Se <\/b><\/span><\/span><\/span>T = 300 K, V = 9000 cm3 e k = 30 N<\/b><\/span><\/span><\/span>\uf02f<\/b><\/span><\/span><\/span>cm<\/b><\/span><\/span><\/span>\uf0d7<\/b><\/span><\/span><\/span>K, <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>press\u00e3o <\/b><\/span><\/span><\/span>exercida nas <\/b><\/span><\/span><\/span>paredes do recipiente <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span>cont\u00e9m o g\u00e1s ser\u00e1 de 1 N<\/b><\/span><\/span><\/span>\uf02f<\/b><\/span><\/span><\/span>cm<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> . <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>Na <\/b><\/span><\/span><\/span>lei universal dos gases, a temperatura e a press\u00e3o s\u00e3o inversamente proporcionais. <\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>O <\/b><\/span><\/span><\/span>volume de um g\u00e1s \u00e9 determinado pelo volume do recipiente que o cont\u00e9m.<\/b><\/span><\/span><\/span><\/p>\n

07-(UEM-PR-017)<\/b><\/span><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Durante uma <\/b><\/span><\/span><\/span>corrida, um ciclista se desloca em uma pista circular de raio R metros e largura L <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

metros. <\/b><\/span><\/span><\/span>Assinale <\/b><\/span><\/span><\/span>a(s) alternativa(s) correta(s). <\/b><\/span><\/span><\/span><\/p>\n

01) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>cada volta completada, <\/b><\/span><\/span><\/span>o ciclista <\/b><\/span><\/span><\/span>percorre uma dist\u00e2ncia igual a 2<\/b><\/span><\/span><\/span>\uf070<\/b><\/span><\/span><\/span>R metros. <\/b><\/span><\/span><\/span><\/p>\n

02) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>for\u00e7a centr\u00edpeta <\/b><\/span><\/span><\/span>sentida pelo <\/b><\/span><\/span><\/span>ciclista \u00e9 menor quando ele se desloca pelo lado interno da pista do que quando ele se desloca pelo lado externo. <\/b><\/span><\/span><\/span><\/p>\n

04) <\/b><\/span><\/span><\/span>Se a <\/b><\/span><\/span><\/span>coroa ligada ao pedal da bicicleta, <\/b><\/span><\/span><\/span>por meio de uma <\/b><\/span><\/span><\/span>corrente, tem raio r<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span>, e a <\/b><\/span><\/span><\/span>catraca ligada ao eixo da roda traseira da bicicleta tem raio r<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>, <\/b><\/span><\/span><\/span>quando o ciclista faz a <\/b><\/span><\/span><\/span>coroa girar com velocidade angular <\/b><\/span><\/span><\/span>\uf077<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> a roda traseira da bicicleta gira com velocidade angular <\/b><\/span><\/span><\/span>\uf077<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>\uf03d<\/b><\/span><\/span><\/span> (<\/b><\/span><\/span><\/span>\uf077<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span>r<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span>)\/r<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

08) <\/b><\/span><\/span><\/span>A <\/b><\/span><\/span><\/span>dist\u00e2ncia linear percorrida<\/b><\/span><\/span><\/span> pelo ciclista pode ser <\/b><\/span><\/span><\/span>calculada pelo produto entre o raio da pista e o \u00e2ngulo varrido em radianos durante sua trajet\u00f3ria. <\/b><\/span><\/span><\/span><\/p>\n

16) <\/b><\/span><\/span><\/span>Se o <\/b><\/span><\/span><\/span>ciclista mantiver uma velocidade angular constante, <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span><\/span>movimento circular <\/b><\/span><\/span><\/span>realizado \u00e9 <\/b><\/span><\/span><\/span>considerado uniforme.<\/b><\/span><\/span><\/span><\/p>\n

 <\/p>\n

Confira os exerc\u00edcios e resolu\u00e7\u00f5es comentadas<\/span><\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

A\u00a0Universidade Estadual de Maring\u00e1\u00a0(UEM)\u00a0\u00e9 uma institui\u00e7\u00e3o p\u00fablica de ensino superior, mantida pelo Estado do Paran\u00e1. Com sede na cidade de\u00a0Maring\u00e1, possui campus nas cidades de\u00a0Cianorte,\u00a0Cidade Ga\u00facha,\u00a0Goioer\u00ea,\u00a0Ivaipor\u00e3\u00a0e\u00a0Umuarama, e extens\u00f5es nos distritos de\u00a0Floriano (Maring\u00e1)\u00a0(Centro de Psicultura) e\u00a0Iguatemi (Maring\u00e1)\u00a0(Fazenda Experimental) e na cidade de\u00a0Porto Rico(Centro de Pesquisa em Porto Rico \u2013 Nup\u00e9lia). A institui\u00e7\u00e3o oferta 63\u00a0cursos de Gradua\u00e7\u00e3o, 85 cursos de\u00a0Especializa\u00e7\u00e3o, 30 cursos<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2648,"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-2860","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/2860","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=2860"}],"version-history":[{"count":3,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/2860\/revisions"}],"predecessor-version":[{"id":2868,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/2860\/revisions\/2868"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/2648"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=2860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}