{"id":1944,"date":"2016-02-11T23:39:02","date_gmt":"2016-02-11T23:39:02","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=1944"},"modified":"2024-09-03T13:56:55","modified_gmt":"2024-09-03T13:56:55","slug":"ufsc-2016","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2016\/ufsc-2016\/","title":{"rendered":"UFSC 2016"},"content":{"rendered":"

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A\u00a0Universidade Federal de Santa Catarina\u00a0(UFSC), \u00e9 uma institui\u00e7\u00e3o federal brasileira\u00a0de\u00a0ensino<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

superior\u00a0localizada em\u00a0Florian\u00f3polis,\u00a0Santa Catarina, tendo sido cotada como a quinta melhor institui\u00e7\u00e3o de ensino superior da Am\u00e9rica Latina pelo Webometrics Ranking of World Universities.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

A Universidade, cujo campus principal se localiza no bairro Trindade, oferece 83 cursos de gradua\u00e7\u00e3o, 88 cursos de p\u00f3s-gradua\u00e7\u00e3o em sentido amplo e 81 em sentido estrito.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

Hospital Universit\u00e1rio<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

O HU fica localizado no Centro de Ci\u00eancias da Sa\u00fade (CCS) e \u00e9 aberto \u00e0 comunidade em geral, sendo um dos principais hospitais p\u00fablicos de Florian\u00f3polis. Faz parte da forma\u00e7\u00e3o dos alunos de Medicina, Enfermagem, Farm\u00e1cia e Bioqu\u00edmica, Nutri\u00e7\u00e3o, Odontologia e Fonoaudiologia.<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

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01-<\/b><\/span><\/span><\/span> (UFSC-SC-016) <\/b><\/span><\/span><\/span><\/p>\n

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01.<\/b><\/span><\/span><\/span> considerava que a <\/b><\/span><\/span><\/span>matem\u00e1tica e os procedimentos experimentais eram importantes para o desenvolvimento de uma teoria sobre o movimento.<\/b><\/span><\/span><\/span><\/p>\n

02.<\/b><\/span><\/span><\/span> alegava que os <\/b><\/span><\/span><\/span>corpos pesados ca\u00edam mais depressa que os leves.<\/b><\/span><\/span><\/span><\/p>\n

04.<\/b><\/span><\/span><\/span> Defendia que <\/b><\/span><\/span><\/span>o Sol e os planetas se moviam em torno da Terra.<\/b><\/span><\/span><\/span><\/p>\n

08<\/b><\/span><\/span><\/span>. inventou o <\/b><\/span><\/span><\/span>telesc\u00f3pio com o objetivo de observar as Luas de J\u00fapiter.<\/b><\/span><\/span><\/span><\/p>\n

16. prop\u00f4s <\/b><\/span><\/span><\/span>experi\u00eancias<\/b><\/span><\/span><\/span> de pensamento que continham argumentos <\/b><\/span><\/span><\/span>similares \u00e0queles posteriormente presentes na Lei da In\u00e9rcia de Newton.<\/b><\/span><\/span><\/span><\/p>\n

32. foi o <\/b><\/span><\/span><\/span>primeiro<\/b><\/span><\/span><\/span> a declarar que todas as <\/b><\/span><\/span><\/span>subst\u00e2ncias existentes na Terra eram formadas a partir dos elementos \u00e1gua, fogo, terra e ar.<\/b><\/span><\/span><\/span><\/p>\n

02- (UFSC-SC-016) <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Um <\/b><\/span><\/span><\/span>professor de F\u00edsica <\/b><\/span><\/span><\/span>realiza um <\/b><\/span><\/span><\/span>experimento sobre din\u00e2mica <\/b><\/span><\/span><\/span>para mostrar aos seus alunos. Ele <\/b><\/span><\/span><\/span>puxa um bloco de 400 kg <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>partir do repouso, <\/b><\/span><\/span><\/span>aplicando sobre a corda uma <\/b><\/span><\/span><\/span>for\u00e7a constante de 350 N<\/b><\/span><\/span><\/span>, como mostra a figura abaixo. <\/b><\/span><\/span><\/span><\/p>\n

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O sistema \u00e9 constitu\u00eddo por <\/b><\/span><\/span><\/span>fios inextens\u00edveis <\/b><\/span><\/span><\/span>e <\/b><\/span><\/span><\/span>duas roldanas<\/b><\/span><\/span><\/span>, todos de <\/b><\/span><\/span><\/span>massa desprez\u00edvel.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Existe atrito entre a superf\u00edcie horizontal e o bloco.<\/b><\/span><\/span><\/span> Os <\/b><\/span><\/span><\/span>coeficientes de atrito est\u00e1tico e de atrito cin\u00e9tico s\u00e3o 0,30 e 0,25, respectivamente. <\/b><\/span><\/span><\/span><\/p>\n

Com base no que <\/b><\/span><\/span><\/span>foi exposto, \u00e9 CORRETO <\/b><\/span><\/span><\/span>afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>for\u00e7a de tra\u00e7\u00e3o <\/b><\/span><\/span><\/span>no fio ligado ao bloco \u00e9 de <\/b><\/span><\/span><\/span>1400 N.<\/b><\/span><\/span><\/span><\/p>\n

02. <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span><\/span>bloco adquire <\/b><\/span><\/span><\/span>uma <\/b><\/span><\/span><\/span>acelera\u00e7\u00e3o de 2,0 m\/s\u00b2.<\/b><\/span><\/span><\/span><\/p>\n

04. <\/b><\/span><\/span><\/span>apenas <\/b><\/span><\/span><\/span>tr\u00eas for\u00e7as <\/b><\/span><\/span><\/span>atuam <\/b><\/span><\/span><\/span>sobre o bloco: o peso, a for\u00e7a de atrito e a tra\u00e7\u00e3o.<\/b><\/span><\/span><\/span><\/p>\n

08<\/b><\/span><\/span><\/span>. a <\/b><\/span><\/span><\/span>for\u00e7a resultante sobre o bloco \u00e9 de 400 N.<\/b><\/span><\/span><\/span><\/p>\n

16. <\/b><\/span><\/span><\/span>a <\/b><\/span><\/span><\/span>for\u00e7a m\u00ednima<\/b><\/span><\/span><\/span> que o professor deve aplicar <\/b><\/span><\/span><\/span>sobre a corda para movimentar o bloco \u00e9 de 290 N.<\/b><\/span><\/span><\/span><\/p>\n

03 \u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Pilotos amadores fizeram uma corrida de autom\u00f3veis em uma pista improvisada de <\/b><\/span><\/span><\/span>1400 m.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Cada autom\u00f3vel foi <\/b><\/span><\/span><\/span>numerado de 1 a 8 <\/b><\/span><\/span><\/span>e largou na posi\u00e7\u00e3o mostrada na figura abaixo. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

O <\/b><\/span><\/span><\/span>gr\u00e1fico<\/b><\/span><\/span><\/span> a seguir representa a <\/b><\/span><\/span><\/span>velocidade em fun\u00e7\u00e3o do tempo<\/b><\/span><\/span><\/span> de <\/b><\/span><\/span><\/span>um<\/b><\/span><\/span><\/span> dos autom\u00f3veis, em sua primeira volta na pista, desde <\/b><\/span><\/span><\/span>sua largada<\/b><\/span><\/span><\/span> at\u00e9 alcan\u00e7ar a <\/b><\/span><\/span><\/span>linha de chegada.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com base <\/b><\/span><\/span><\/span>na figura<\/b><\/span><\/span><\/span> e nos <\/b><\/span><\/span><\/span>dados acima<\/b><\/span><\/span><\/span>, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que <\/b><\/span><\/span><\/span>o gr\u00e1fico<\/b><\/span><\/span><\/span>:<\/b><\/span><\/span><\/span><\/p>\n

01. <\/b><\/span><\/span><\/span>pertence<\/b><\/span><\/span><\/span> ou ao autom\u00f3vel de <\/b><\/span><\/span><\/span>n\u00famero 5<\/b><\/span><\/span><\/span> ou ao autom\u00f3vel de <\/b><\/span><\/span><\/span>n\u00famero 6<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. <\/b><\/span><\/span><\/span>mostra<\/b><\/span><\/span><\/span> que no intervalo de <\/b><\/span><\/span><\/span>10 s at\u00e9 18 s<\/b><\/span><\/span><\/span> o autom\u00f3vel esteve em <\/b><\/span><\/span><\/span>Movimento Retil\u00edneo e Uniforme<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

04. <\/b><\/span><\/span><\/span>indica<\/b><\/span><\/span><\/span> que o autom\u00f3vel <\/b><\/span><\/span><\/span>possui acelera\u00e7\u00e3o de mesmo m\u00f3dulo<\/b><\/span><\/span><\/span> nos instantes <\/b><\/span><\/span><\/span>20 s e 50 s<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08. <\/b><\/span><\/span><\/span>pertence<\/b><\/span><\/span><\/span> ou ao autom\u00f3vel de <\/b><\/span><\/span><\/span>n\u00famero 7<\/b><\/span><\/span><\/span> ou ao autom\u00f3vel de <\/b><\/span><\/span><\/span>n\u00famero 8<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. <\/b><\/span><\/span><\/span>aponta<\/b><\/span><\/span><\/span> que o autom\u00f3vel esteve em <\/b><\/span><\/span><\/span>repouso<\/b><\/span><\/span><\/span> quatro vezes.<\/b><\/span><\/span><\/span><\/p>\n

1 \"\" Verdadeiro \"\" Para <\/b><\/span><\/span><\/span>determinarmos<\/b><\/span><\/span><\/span> se o <\/b><\/span><\/span><\/span>gr\u00e1fico<\/b><\/span><\/span><\/span> pertence ao <\/b><\/span><\/span><\/span>carro 5 ou 6<\/b><\/span><\/span><\/span>, devemos calcular o <\/b><\/span><\/span><\/span>deslocamento total pelo gr\u00e1fico<\/b><\/span><\/span><\/span>. Caso esse <\/b><\/span><\/span><\/span>deslocamento<\/b><\/span><\/span><\/span> seja igual a <\/b><\/span><\/span><\/span>1400m<\/b><\/span><\/span><\/span> (tamanho da pista) + <\/b><\/span><\/span><\/span>10m<\/b><\/span><\/span><\/span> (espa\u00e7o entre o carro e a linha de partida) \"\" <\/b><\/span><\/span><\/span>1410m<\/b><\/span><\/span><\/span>, esse gr\u00e1fico <\/b><\/span><\/span><\/span>remete ao ve\u00edculo 5 ou 6<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

Como estamos em um caso de <\/b><\/span><\/span><\/span>velocidade\/tempo<\/b><\/span><\/span><\/span>, a <\/b><\/span><\/span><\/span>\u00e1rea do gr\u00e1fico equivale \u00e0 dist\u00e2ncia<\/b><\/span><\/span><\/span>, vamos calcular essa \u00e1rea <\/b><\/span><\/span><\/span>dividindo o gr\u00e1fico<\/b><\/span><\/span><\/span> em outras figuras que <\/b><\/span><\/span><\/span>j\u00e1 sabemos calcular<\/b><\/span><\/span><\/span>:<\/b><\/span><\/span><\/span><\/p>\n

04 \u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Quer subir de <\/b><\/span><\/span><\/span>elevador<\/b><\/span><\/span><\/span> at\u00e9 o espa\u00e7o? Apesar de esta ideia j\u00e1 ter surgido h\u00e1 <\/b><\/span><\/span><\/span>mais de 100 anos<\/b><\/span><\/span><\/span>, um avan\u00e7o em nanotecnologia pode significar que iremos de elevador at\u00e9 o espa\u00e7o com um cabo feito de diamante ou de carbono. A empresa japonesa de constru\u00e7\u00e3o Obayashi investiga a viabilidade de um elevador espacial, visando a uma esta\u00e7\u00e3o espacial ligada ao equador por um cabo de 96000 quil\u00f4metros feito de nanotecnologia de carbono, conforme a figura abaixo. A esta\u00e7\u00e3o espacial orbitaria a Terra numa <\/b><\/span><\/span><\/span>posi\u00e7\u00e3o geoestacion\u00e1ria<\/b><\/span><\/span><\/span> e carros rob\u00f3ticos com motores magn\u00e9ticos levariam sete dias para alcan\u00e7ar a esta\u00e7\u00e3o espacial, transportando carga e pessoas at\u00e9 o espa\u00e7o por uma fra\u00e7\u00e3o dos custos atuais.<\/b><\/span><\/span><\/span>\"\"<\/p>\n

Considerando que, <\/b><\/span><\/span><\/span>fisicamente<\/b><\/span><\/span><\/span>, seja poss\u00edvel a implementa\u00e7\u00e3o desse elevador espacial, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. a esta\u00e7\u00e3o espacial japonesa <\/b><\/span><\/span><\/span>deve<\/b><\/span><\/span><\/span> possuir <\/b><\/span><\/span><\/span>movimento circular<\/b><\/span><\/span><\/span> ao redor da Terra com <\/b><\/span><\/span><\/span>velocidade linear<\/b><\/span><\/span><\/span> igual \u00e0 <\/b><\/span><\/span><\/span>velocidade linear<\/b><\/span><\/span><\/span> de rota\u00e7\u00e3o da superf\u00edcie da <\/b><\/span><\/span><\/span>Terra<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. as pessoas que visitarem a esta\u00e7\u00e3o espacial poder\u00e3o <\/b><\/span><\/span><\/span>flutuar<\/b><\/span><\/span><\/span> no seu interior porque l\u00e1 <\/b><\/span><\/span><\/span>n\u00e3o<\/b><\/span><\/span><\/span> haver\u00e1 <\/b><\/span><\/span><\/span>atra\u00e7\u00e3o gravitacional<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

04. a <\/b><\/span><\/span><\/span>velocidade angular<\/b><\/span><\/span><\/span> da esta\u00e7\u00e3o espacial deve ser <\/b><\/span><\/span><\/span>igual<\/b><\/span><\/span><\/span> \u00e0 <\/b><\/span><\/span><\/span>velocidade angular<\/b><\/span><\/span><\/span> de rota\u00e7\u00e3o da <\/b><\/span><\/span><\/span>Terra<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08. um <\/b><\/span><\/span><\/span>carro rob\u00f3tico<\/b><\/span><\/span><\/span> ter\u00e1, no trajeto da Terra at\u00e9 a esta\u00e7\u00e3o espacial, <\/b><\/span><\/span><\/span>vetor velocidade constante<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. o <\/b><\/span><\/span><\/span>per\u00edodo<\/b><\/span><\/span><\/span> do movimento da <\/b><\/span><\/span><\/span>esta\u00e7\u00e3o espacial<\/b><\/span><\/span><\/span> ao redor da Terra deve ser <\/b><\/span><\/span><\/span>igual<\/b><\/span><\/span><\/span> ao <\/b><\/span><\/span><\/span>per\u00edodo<\/b><\/span><\/span><\/span> de rota\u00e7\u00e3o di\u00e1ria da <\/b><\/span><\/span><\/span>Terra<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

32. a <\/b><\/span><\/span><\/span>for\u00e7a de atra\u00e7\u00e3o gravitacional<\/b><\/span><\/span><\/span> da Terra <\/b><\/span><\/span><\/span>ser\u00e1<\/b><\/span><\/span><\/span> a <\/b><\/span><\/span><\/span>for\u00e7a centr\u00edfuga<\/b><\/span><\/span><\/span>, respons\u00e1vel por manter a esta\u00e7\u00e3o espacial em \u00f3rbita.<\/b><\/span><\/span><\/span><\/p>\n

64. o valor da <\/b><\/span><\/span><\/span>acelera\u00e7\u00e3o da gravidade (g)<\/b><\/span><\/span><\/span> na posi\u00e7\u00e3o da esta\u00e7\u00e3o espacial ter\u00e1 um <\/b><\/span><\/span><\/span>m\u00f3dulo menor<\/b><\/span><\/span><\/span> que seu valor na superf\u00edcie da <\/b><\/span><\/span><\/span>Terra<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

05 \u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Um estudante possui uma lumin\u00e1ria constitu\u00edda por <\/b><\/span><\/span><\/span>tr\u00eas l\u00e2mpadas<\/b><\/span><\/span><\/span> de <\/b><\/span><\/span><\/span>mesma intensidade<\/b><\/span><\/span><\/span> sobre a mesa. Cada l\u00e2mpada emite luz de <\/b><\/span><\/span><\/span>cor prim\u00e1ria<\/b><\/span><\/span><\/span>. Para verificar os conhecimentos aprendidos nas aulas de F\u00edsica, ele faz tr\u00eas experimentos (figuras 1, 2 e 3), nos quais direciona as tr\u00eas l\u00e2mpadas para uma <\/b><\/span><\/span><\/span>mesma palavra<\/b><\/span><\/span><\/span> colocada sobre a mesa. Na figura 1, em que as <\/b><\/span><\/span><\/span>tr\u00eas l\u00e2mpadas est\u00e3o acesas<\/b><\/span><\/span><\/span>, e na figura 3, em que apenas <\/b><\/span><\/span><\/span>a l\u00e2mpada 2 est\u00e1 acesa<\/b><\/span><\/span><\/span>, o estudante visualiza a palavra F\u00cdSICA na cor verde. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com base no exposto acima, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. <\/b><\/span><\/span><\/span>na figura 1<\/b><\/span><\/span><\/span>, ocorre a <\/b><\/span><\/span><\/span>uni\u00e3o<\/b><\/span><\/span><\/span> das tr\u00eas luzes prim\u00e1rias \u2013 <\/b><\/span><\/span><\/span>amarela, vermelha e azul<\/b><\/span><\/span><\/span> \u2013, que resulta na <\/b><\/span><\/span><\/span>luz branca<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. <\/b><\/span><\/span><\/span>na figura 2<\/b><\/span><\/span><\/span>, a palavra F\u00cdSICA aparece na <\/b><\/span><\/span><\/span>cor preta<\/b><\/span><\/span><\/span> porque as luzes que incidem sobre ela s\u00e3o <\/b><\/span><\/span><\/span>azul e vermelha<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

04. a <\/b><\/span><\/span><\/span>l\u00e2mpada 2<\/b><\/span><\/span><\/span> emite luz de cor <\/b><\/span><\/span><\/span>verde<\/b><\/span><\/span><\/span>, por isso a palavra F\u00cdSICA, na <\/b><\/span><\/span><\/span>figura 3<\/b><\/span><\/span><\/span>, aparece na <\/b><\/span><\/span><\/span>cor verde<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08.a rela\u00e7\u00e3o entre <\/b><\/span><\/span><\/span>as frequ\u00eancias<\/b><\/span><\/span><\/span> das luzes das l\u00e2mpadas 1, 2 e 3 \u00e9 <\/b><\/span><\/span><\/span>f<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span><f<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span><f<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span>, portanto as cores das luzes das l\u00e2mpadas 1, 2 e 3 s\u00e3o <\/b><\/span><\/span><\/span>vermelha, verde e azul<\/b><\/span><\/span><\/span>, respectivamente.<\/b><\/span><\/span><\/span><\/p>\n

16. a palavra F\u00cdSICA aparece na <\/b><\/span><\/span><\/span>cor preta<\/b><\/span><\/span><\/span>, na <\/b><\/span><\/span><\/span>figura 2<\/b><\/span><\/span><\/span>, porque as luzes das <\/b><\/span><\/span><\/span>l\u00e2mpadas 1 e 3<\/b><\/span><\/span><\/span> formam a <\/b><\/span><\/span><\/span>cor preta<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

06 \u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Pedro, Tiago, Jo\u00e3o e Felipe resolveram comprar um carro do ano 2000, mas se esqueceram de verificar os registros sobre as revis\u00f5es peri\u00f3dicas. A fim de evitar problemas f\u00edsicos devido ao <\/b><\/span><\/span><\/span>excesso de oscila\u00e7\u00e3o<\/b><\/span><\/span><\/span> do carro durante viagens longas, decidem analisar a qualidade dos <\/b><\/span><\/span><\/span>amortecedores<\/b><\/span><\/span><\/span>. Eles modelam o carro, na situa\u00e7\u00e3o em que est\u00e3o <\/b><\/span><\/span><\/span>os quatro como passageiros, como um \u00fanico corpo sobre uma mola ideal, realizando um MHS<\/b><\/span><\/span><\/span>. Ent\u00e3o, eles fazem tr\u00eas medidas, obtendo os seguintes valores: <\/b><\/span><\/span><\/span><\/p>\n

a) <\/b><\/span><\/span><\/span>1000 kg<\/b><\/span><\/span><\/span> para a <\/b><\/span><\/span><\/span>massa do carro<\/b><\/span><\/span><\/span>; <\/b><\/span><\/span><\/span><\/p>\n

b<\/b><\/span><\/span><\/span>) 250 kg<\/b><\/span><\/span><\/span> para a <\/b><\/span><\/span><\/span>soma de suas massas<\/b><\/span><\/span><\/span>;<\/b><\/span><\/span><\/span><\/p>\n

c) <\/b><\/span><\/span><\/span>5,0 cm<\/b><\/span><\/span><\/span> para a <\/b><\/span><\/span><\/span>compress\u00e3o da mola<\/b><\/span><\/span><\/span> quando os quatro estavam dentro do carro parado.<\/b><\/span><\/span><\/span><\/p>\n

Sobre o <\/b><\/span><\/span><\/span>MHS<\/b><\/span><\/span><\/span> e com base no exposto acima, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. a <\/b><\/span><\/span><\/span>frequ\u00eancia<\/b><\/span><\/span><\/span> e o <\/b><\/span><\/span><\/span>per\u00edodo<\/b><\/span><\/span><\/span> do MHS realizado dependem da <\/b><\/span><\/span><\/span>amplitude<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. a <\/b><\/span><\/span><\/span>frequ\u00eancia de oscila\u00e7\u00e3o<\/b><\/span><\/span><\/span> do carro com os passageiros \u00e9 <\/b><\/span><\/span><\/span>de \"\" Hz<\/b><\/span><\/span><\/span>: <\/b><\/span><\/span><\/span><\/p>\n

04. a <\/b><\/span><\/span><\/span>energia cin\u00e9tica<\/b><\/span><\/span><\/span> \u00e9 <\/b><\/span><\/span><\/span>m\u00e1xima<\/b><\/span><\/span><\/span> na <\/b><\/span><\/span><\/span>posi\u00e7\u00e3o de equil\u00edbrio<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08. a <\/b><\/span><\/span><\/span>constante el\u00e1stica<\/b><\/span><\/span><\/span> da mola \u00e9 <\/b><\/span><\/span><\/span>25 x 10<\/b><\/span><\/span><\/span>4 <\/b><\/span><\/span><\/sup><\/span>N\/m<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. o <\/b><\/span><\/span><\/span>per\u00edodo<\/b><\/span><\/span><\/span> de oscila\u00e7\u00e3o do carro vazio \u00e9 de <\/b><\/span><\/span><\/span>1,0 s<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

07 \u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

O futebol \u00e9 o esporte mais popular no Brasil, atraindo milhares de pessoas aos est\u00e1dios semanalmente, al\u00e9m das massas que acompanham not\u00edcias e transmiss\u00f5es pelos mais diversos meios de comunica\u00e7\u00e3o. <\/b><\/span><\/span><\/span><\/p>\n

Embora seja considerado entretenimento por muitos, para os jogadores de futebol a pr\u00e1tica supera o mero entretenimento, pois exige diversos atributos mentais e fisiol\u00f3gicos. Os aspectos fisiol\u00f3gicos, em particular, s\u00e3o relevantes uma vez que apenas <\/b><\/span><\/span><\/span>25%<\/b><\/span><\/span><\/span> da energia qu\u00edmica dos alimentos ingeridos \u00e9 <\/b><\/span><\/span><\/span>transformada em movimento<\/b><\/span><\/span><\/span>. Na tabela abaixo, s\u00e3o apresentadas as <\/b><\/span><\/span><\/span>dist\u00e2ncias percorridas <\/b><\/span><\/span><\/span>(em metros) <\/b><\/span><\/span><\/span><\/p>\n

por jogadores, durante uma partida, <\/b><\/span><\/span><\/span>em diferentes faixas de velocidade<\/b><\/span><\/span><\/span>, al\u00e9m dos <\/b><\/span><\/span><\/span>custos energ\u00e9ticos <\/b><\/span><\/span><\/span>totais para algumas faixas de velocidade. Os jogadores possuem <\/b><\/span><\/span><\/span>massa de 80 kg<\/b><\/span><\/span><\/span>. Use <\/b><\/span><\/span><\/span>1 cal = 4 J<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Com base no exposto e na tabela acima, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. a <\/b><\/span><\/span><\/span>velocidade escalar m\u00e9dia <\/b><\/span><\/span><\/span>de um <\/b><\/span><\/span><\/span>lateral<\/b><\/span><\/span><\/span> durante uma partida \u00e9 de <\/b><\/span><\/span><\/span>16,75 m\/s<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. a <\/b><\/span><\/span><\/span>energia cin\u00e9tica m\u00ednima <\/b><\/span><\/span><\/span>de um <\/b><\/span><\/span><\/span>atacante<\/b><\/span><\/span><\/span> na faixa de <\/b><\/span><\/span><\/span>velocidade V<\/b><\/span><\/span><\/span>5<\/b><\/span><\/span><\/sub><\/span> \u00e9 1690 J.<\/b><\/span><\/span><\/span><\/p>\n

04. quando o jogador est\u00e1 <\/b><\/span><\/span><\/span>parado<\/b><\/span><\/span><\/span>, <\/b><\/span><\/span><\/span>n\u00e3o h\u00e1 custo energ\u00e9tico<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08. o <\/b><\/span><\/span><\/span>custo energ\u00e9tico <\/b><\/span><\/span><\/span>de um <\/b><\/span><\/span><\/span>zagueiro<\/b><\/span><\/span><\/span> na faixa de <\/b><\/span><\/span><\/span>velocidade V<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span> equivale \u00e0 <\/b><\/span><\/span><\/span>pot\u00eancia mec\u00e2nica <\/b><\/span><\/span><\/span>necess\u00e1ria para que ele <\/b><\/span><\/span><\/span>suba uma escada <\/b><\/span><\/span><\/span>com a <\/b><\/span><\/span><\/span>velocidade constante de 0,5 m\/s<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. o <\/b><\/span><\/span><\/span>atacante<\/b><\/span><\/span><\/span> gasta <\/b><\/span><\/span><\/span>329,1 Kcal <\/b><\/span><\/span><\/span>de energia durante uma partida de futebol no <\/b><\/span><\/span><\/span>conjunto<\/b><\/span><\/span><\/span> das faixas de <\/b><\/span><\/span><\/span>velocidade V<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span>, V<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span> e V<\/b><\/span><\/span><\/span>4.<\/b><\/span><\/span><\/sub><\/span><\/p>\n

08\u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

Em 6 de novembro de 2014, estreava no Brasil o filme de fic\u00e7\u00e3o cient\u00edfica Interestelar, que abordou, em sua trama, aspectos de <\/b><\/span><\/span><\/span>F\u00edsica Moderna<\/b><\/span><\/span><\/span>. Um dos fen\u00f4menos mostrados no filme foi a <\/b><\/span><\/span><\/span>dilata\u00e7\u00e3o temporal<\/b><\/span><\/span><\/span>, j\u00e1 prevista na Teoria da Relatividade de Albert Einstein. Al\u00e9m da relatividade, Einstein explicou o <\/b><\/span><\/span><\/span>Efeito Fotoel\u00e9trico<\/b><\/span><\/span><\/span>, que lhe rendeu o pr\u00eamio Nobel de 1921.<\/b><\/span><\/span><\/span><\/p>\n

Sobre os <\/b><\/span><\/span><\/span>fen\u00f4menos<\/b><\/span><\/span><\/span> referidos acima, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. o <\/b><\/span><\/span><\/span>Efeito Fotoel\u00e9trico<\/b><\/span><\/span><\/span> foi explicado <\/b><\/span><\/span><\/span>atribuindo-se \u00e0 luz<\/b><\/span><\/span><\/span> o <\/b><\/span><\/span><\/span>comportamento corpuscular<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. a <\/b><\/span><\/span><\/span>altera\u00e7\u00e3o da pot\u00eancia<\/b><\/span><\/span><\/span> de uma radia\u00e7\u00e3o que <\/b><\/span><\/span><\/span>provoca o Efeito Fotoel\u00e9trico<\/b><\/span><\/span><\/span> altera a<\/b><\/span><\/span><\/span> energia cin\u00e9tica<\/b><\/span><\/span><\/span> dos <\/b><\/span><\/span><\/span>el\u00e9trons arrancados <\/b><\/span><\/span><\/span>e n\u00e3o o <\/b><\/span><\/span><\/span>n\u00famero de el\u00e9trons<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

04. de acordo com a <\/b><\/span><\/span><\/span>Teoria da Relatividade<\/b><\/span><\/span><\/span>, as leis da F\u00edsica s\u00e3o <\/b><\/span><\/span><\/span>as mesmas <\/b><\/span><\/span><\/span>para <\/b><\/span><\/span><\/span>qualquer<\/b><\/span><\/span><\/span> referencial inercial.<\/b><\/span><\/span><\/span><\/p>\n

08. de acordo com a <\/b><\/span><\/span><\/span>Teoria da Relatividade<\/b><\/span><\/span><\/span>, a velocidade da luz no v\u00e1cuo \u00e9 uma <\/b><\/span><\/span><\/span>constante universal<\/b><\/span><\/span><\/span>, \u00e9 a <\/b><\/span><\/span><\/span>mesma<\/b><\/span><\/span><\/span> em todos os sistemas inerciais de refer\u00eancia e <\/b><\/span><\/span><\/span>n\u00e3o depende <\/b><\/span><\/span><\/span>do movimento da fonte de luz.<\/b><\/span><\/span><\/span><\/p>\n

09\u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/p>\n

A busca por alternativas energ\u00e9ticas para o futuro ou para locais com poucos recursos econ\u00f4micos tem levado \u00e0 proposi\u00e7\u00e3o de inova\u00e7\u00f5es cada vez mais criativas, como a <\/b><\/span><\/span><\/span>Soccket<\/b><\/span><\/span><\/span>, mostrada na figura abaixo. A <\/b><\/span><\/span><\/span>Soccke<\/b><\/span><\/span><\/span>t \u00e9 uma <\/b><\/span><\/span><\/span>bola de futebol<\/b><\/span><\/span><\/span> com um <\/b><\/span><\/span><\/span>pequeno p\u00eandulo <\/b><\/span><\/span><\/span>no interior que aproveita a <\/b><\/span><\/span><\/span>energia cin\u00e9tica <\/b><\/span><\/span><\/span>do seu movimento atrav\u00e9s de um <\/b><\/span><\/span><\/span>gerador el\u00e9trico <\/b><\/span><\/span><\/span>conectado a uma <\/b><\/span><\/span><\/span>bateria recarreg\u00e1vel<\/b><\/span><\/span><\/span>. A <\/b><\/span><\/span><\/span>energia armazenada <\/b><\/span><\/span><\/span>pode ser usada para os mais diversos fins, como o acendimento de l\u00e2mpadas e a recarga de baterias e dispositivos eletr\u00f4nicos.<\/b><\/span><\/span><\/span><\/p>\n

Com base no exposto acima e no <\/b><\/span><\/span><\/span>Princ\u00edpio de Conserva\u00e7\u00e3o de Energia<\/b><\/span><\/span><\/span>, \u00e9 <\/b><\/span><\/span><\/span>CORRETO <\/b><\/span><\/span><\/span>afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. quando a Soccket \u00e9 <\/b><\/span><\/span><\/span>chutada<\/b><\/span><\/span><\/span>, realiza-se um <\/b><\/span><\/span><\/span>trabalho mec\u00e2nico <\/b><\/span><\/span><\/span>sobre ela.<\/b><\/span><\/span><\/span><\/p>\n

02. <\/b><\/span><\/span><\/span>apenas<\/b><\/span><\/span><\/span> o <\/b><\/span><\/span><\/span>trabalho mec\u00e2nico <\/b><\/span><\/span><\/span>determina <\/b><\/span><\/span><\/span>a quantidade de energia <\/b><\/span><\/span><\/span>que \u00e9 transferida ou retirada da Soccket.<\/b><\/span><\/span><\/span><\/p>\n

04. <\/b><\/span><\/span><\/span>toda<\/b><\/span><\/span><\/span> energia recebida pela Soccket durante um chute \u00e9 <\/b><\/span><\/span><\/span>convertida<\/b><\/span><\/span><\/span> em energia el\u00e9trica.<\/b><\/span><\/span><\/span><\/p>\n

08. a energia armazenada na Soccket \u00e9 <\/b><\/span><\/span><\/span>transferida<\/b><\/span><\/span><\/span> para outros dispositivos eletr\u00f4nicos pelo <\/b><\/span><\/span><\/span>trabalho el\u00e9trico<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. <\/b><\/span><\/span><\/span>a transforma\u00e7\u00e3o da energia<\/b><\/span><\/span><\/span> cin\u00e9tica em energia el\u00e9trica no gerador el\u00e9trico da Soccket \u00e9 explicada pela <\/b><\/span><\/span><\/span>Lei de Faraday<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

32. a fun\u00e7\u00e3o da <\/b><\/span><\/span><\/span>bateria<\/b><\/span><\/span><\/span> da Soccket \u00e9 de <\/b><\/span><\/span><\/span>aumentar<\/b><\/span><\/span><\/span> a energia el\u00e9trica produzida.<\/b><\/span><\/span><\/span><\/p>\n

10\u2013 (UFSC-SC-016)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/p>\n

Os <\/b><\/span><\/span><\/span>Raios X<\/b><\/span><\/span><\/span> s\u00e3o <\/b><\/span><\/span><\/span>ondas eletromagn\u00e9ticas <\/b><\/span><\/span><\/span>que, por suas caracter\u00edsticas peculiares, come\u00e7aram a ser utilizados na medicina apenas alguns meses ap\u00f3s a sua descoberta. Hoje, suas aplica\u00e7\u00f5es s\u00e3o muito mais amplas, pois se estendem de consult\u00f3rios odontol\u00f3gicos, nos quais s\u00e3o utilizados aparelhos que operam com uma tens\u00e3o da ordem de <\/b><\/span><\/span><\/span>50 kV<\/b><\/span><\/span><\/span>, at\u00e9 aeroportos.<\/b><\/span><\/span><\/span><\/p>\n

Sobre os <\/b><\/span><\/span><\/span>Raios X<\/b><\/span><\/span><\/span>, \u00e9 <\/b><\/span><\/span><\/span>CORRETO<\/b><\/span><\/span><\/span> afirmar que:<\/b><\/span><\/span><\/span><\/p>\n

01. foram detectados pela primeira vez em <\/b><\/span><\/span><\/span>1895<\/b><\/span><\/span><\/span>, pelo cientista alem\u00e3o <\/b><\/span><\/span><\/span>R\u00f6ntgen<\/b><\/span><\/span><\/span>, quando trabalhava com um <\/b><\/span><\/span><\/span>tubo de raios cat\u00f3dicos<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

02. <\/b><\/span><\/span><\/span>receberam<\/b><\/span><\/span><\/span> este nome porque formavam um <\/b><\/span><\/span><\/span>X<\/b><\/span><\/span><\/span> quando eram <\/b><\/span><\/span><\/span>detectados<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

04. como eles t\u00eam <\/b><\/span><\/span><\/span>pouco poder de penetra\u00e7\u00e3o<\/b><\/span><\/span><\/span>, para que um operador de m\u00e1quina de Raios X tenha <\/b><\/span><\/span><\/span>prote\u00e7\u00e3o adequada <\/b><\/span><\/span><\/span>\u00e9 suficiente que fique atr\u00e1s de uma <\/b><\/span><\/span><\/span>fina barreira de madeira<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

08. <\/b><\/span><\/span><\/span>um <\/b><\/span><\/span><\/span>dos efeitos biol\u00f3gicos poss\u00edveis da <\/b><\/span><\/span><\/span>exposi\u00e7\u00e3o<\/b><\/span><\/span><\/span> aos Raios X \u00e9 a <\/b><\/span><\/span><\/span>morte celular<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span><\/p>\n

16. <\/b><\/span><\/span><\/span>permanecem<\/b><\/span><\/span><\/span> no corpo humano, criando um efeito <\/b><\/span><\/span><\/span>cumulativo<\/b><\/span><\/span><\/span>, incrementado a cada nova exposi\u00e7\u00e3o.<\/b><\/span><\/span><\/span><\/p>\n

 <\/p>\n

Confira a resolu\u00e7\u00e3o comentada<\/span><\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

A\u00a0Universidade Federal de Santa Catarina\u00a0(UFSC), \u00e9 uma institui\u00e7\u00e3o federal brasileira\u00a0de\u00a0ensino superior\u00a0localizada em\u00a0Florian\u00f3polis,\u00a0Santa Catarina, tendo sido cotada como a quinta melhor institui\u00e7\u00e3o de ensino superior da Am\u00e9rica Latina pelo Webometrics Ranking of World Universities. A Universidade, cujo campus principal se localiza no bairro Trindade, oferece 83 cursos de gradua\u00e7\u00e3o, 88 cursos de p\u00f3s-gradua\u00e7\u00e3o em sentido amplo e 81 em sentido estrito.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1419,"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-1944","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/1944","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=1944"}],"version-history":[{"count":2,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/1944\/revisions"}],"predecessor-version":[{"id":1949,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/1944\/revisions\/1949"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/1419"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=1944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}