{"id":3840,"date":"2018-04-15T21:28:03","date_gmt":"2018-04-15T21:28:03","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=3840"},"modified":"2024-07-15T14:41:48","modified_gmt":"2024-07-15T14:41:48","slug":"cederj-2018","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2018\/cederj-2018\/","title":{"rendered":"CEDERJ 2018"},"content":{"rendered":"

CEDERJ-RJ-2018<\/b><\/span><\/span><\/span><\/p>\n

\"CEDERJ\"<\/p>\n

\"\"<\/p>\n

(<\/span><\/span>CEDERJ-RJ)\u00a0–\u00a0Centro de Ci\u00eancias e Educa\u00e7\u00e3o Superior a Dist\u00e2ncia do Estado do Rio de Janeiro<\/b><\/span><\/span><\/span><\/p>\n

Objetivo:<\/b><\/span><\/span><\/span><\/p>\n

Contribuir para a interioriza\u00e7\u00e3o do ensino superior p\u00fablico, gratuito e de qualidade no Estado do Rio de Janeiro por meio da oferta de cursos de gradua\u00e7\u00e3o a dist\u00e2ncia, na modalidade semipresencial, garantindo a qualidade destes no que diz respeito ao processo de avalia\u00e7\u00e3o de aprendizagem.<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

01 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

02 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

03 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Uma <\/b><\/span><\/span><\/span>amostra de um g\u00e1s ideal ocupa, inicialmente, um volume V<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span>, <\/b><\/span><\/span><\/span>sendo sua <\/b><\/span><\/span><\/span>temperatura T<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> <\/b>e <\/b><\/span><\/span><\/span>press\u00e3o 3P<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

O <\/b><\/span><\/span><\/span>g\u00e1s sofre uma transforma\u00e7\u00e3o <\/b><\/span><\/span><\/span>em <\/b><\/span><\/span><\/span>duas etapas. <\/b><\/span><\/span><\/span><\/p>\n

Na <\/b><\/span><\/span><\/span>primeira etapa, a press\u00e3o do g\u00e1s passa de 3P<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> para 2P<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> <\/b>mantendo o <\/b><\/span><\/span><\/span>volume do g\u00e1s constante igual a V<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> <\/b>e <\/b><\/span><\/span><\/span>atingindo a temperatura final T<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Na <\/b><\/span><\/span><\/span>segunda etapa, <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span><\/span>volume do g\u00e1s muda para 2V<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span>, <\/b><\/span><\/span><\/span>mantendo <\/b><\/span><\/span><\/span>press\u00e3o do g\u00e1s constante em 2P<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> <\/b>e <\/b><\/span><\/span><\/span>atingindo a temperatura final T<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span>. <\/b><\/span><\/span><\/span><\/p>\n

As <\/b><\/span><\/span><\/span>rela\u00e7\u00f5es entre T<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span>, T<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span> e T<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> s\u00e3o:<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

04 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A <\/b><\/span><\/span><\/span>figura mostra duas part\u00edculas A e B<\/b><\/span><\/span><\/span> de <\/b><\/span><\/span><\/span>massas respectivamente iguais a m<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> e m<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> <\/b>e <\/b><\/span><\/span><\/span>cargas el\u00e9- tricas q<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> e q<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>.<\/b><\/span><\/span><\/span> <\/b><\/p>\n

Considere<\/b><\/span><\/span><\/span> que elas est\u00e3o <\/b><\/span><\/span><\/span>sujeitas exclusivamente \u00e0s for\u00e7as eletrost\u00e1ticas m\u00fatuas devidas \u00e0s suas cargas<\/b><\/span><\/span><\/span> e que as <\/b><\/span><\/span><\/span>setas na figura representam suas respectivas acelera\u00e7\u00f5es vetoriais: <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Comparando<\/b><\/span><\/span><\/span> as <\/b><\/span><\/span><\/span>cargas<\/b><\/span><\/span><\/span> e as <\/b><\/span><\/span><\/span>massas das part\u00edculas, conclui-se <\/b><\/span><\/span><\/span>que <\/b><\/span><\/span><\/span><\/p>\n

(A) <\/b><\/span><\/span><\/span>|q<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span>| < |q<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>| e m<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> = m<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

(B) <\/b><\/span><\/span><\/span>|q<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span>| > |q<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span>| e m<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> = m<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

(C) <\/b><\/span><\/span><\/span>q<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> tem sinal oposto ao de q<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> e m<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> > m<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

(D) <\/b><\/span><\/span><\/span>q<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> tem sinal id\u00eantico ao de q<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> e m<\/b><\/span><\/span><\/span>A<\/b><\/span><\/span><\/sub><\/span> > m<\/b><\/span><\/span><\/span>B<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

05 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Uma <\/b><\/span><\/span><\/span>caracter\u00edstica da onda sonora diminui<\/b><\/span><\/span><\/span> quando um <\/b><\/span><\/span><\/span>ouvinte posiciona-se mais afastado <\/b><\/span><\/span><\/span>de <\/b><\/span><\/span><\/span>uma fonte de som. Essa caracter\u00edstica <\/b><\/span><\/span><\/span>\u00e9 <\/b><\/span><\/span><\/span><\/p>\n

(A) <\/b><\/span><\/span><\/span>a velocidade. <\/b><\/span><\/span><\/span><\/p>\n

(B) <\/b><\/span><\/span><\/span>a amplitude. <\/b><\/span><\/span><\/span><\/p>\n

(C) <\/b><\/span><\/span><\/span>a frequ\u00eancia. <\/b><\/span><\/span><\/span><\/p>\n

(D) <\/b><\/span><\/span><\/span>o timbre.<\/b><\/span><\/span><\/span><\/p>\n

06 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

No <\/b><\/span><\/span><\/span>circuito representado na figura <\/b><\/span><\/span><\/span>os <\/b><\/span><\/span><\/span>valores das medidas <\/b><\/span><\/span><\/span>nos <\/b><\/span><\/span><\/span>volt\u00edmetros est\u00e3o indicados <\/b><\/span><\/span><\/span>no <\/b><\/span><\/span><\/span>interior dos c\u00edrculos: <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Nesse caso, <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span><\/span>valor de V<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> \u00e9:<\/b><\/span><\/span><\/span> <\/b><\/p>\n

(A)<\/b><\/span><\/span><\/span> V1 <\/b><\/span><\/span><\/span>(B) <\/b><\/span><\/span><\/span>2V1 <\/b><\/span><\/span><\/span>(C) <\/b><\/span><\/span><\/span>3V1 <\/b><\/span><\/span><\/span>(D) <\/b><\/span><\/span><\/span>4V<\/b><\/span><\/span><\/span><\/p>\n

07 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

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

A <\/b><\/span><\/span><\/span>figura ilustra <\/b><\/span><\/span><\/span>uma <\/b><\/span><\/span><\/span>rampa contendo dois trechos horizontais paralelos separados<\/b><\/span><\/span><\/span> por uma <\/b><\/span><\/span><\/span>dist\u00e2ncia vertical h = 0,15m. <\/b><\/span><\/span><\/span><\/p>\n

Um <\/b><\/span><\/span><\/span>disco de a\u00e7o \u00e9 lan\u00e7ado sobre a superf\u00edcie horizontal mais baixa <\/b><\/span><\/span><\/span>com uma <\/b><\/span><\/span><\/span>velocidade horizontal <\/b><\/span><\/span><\/span>de m\u00f3dulo <\/b><\/span><\/span><\/span>v<\/b><\/span><\/span><\/span>0<\/b><\/span><\/span><\/sub><\/span> = 2,0m\/s. <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

Considere que a <\/b><\/span><\/span><\/span>acelera\u00e7\u00e3o da gravidade <\/b><\/span><\/span><\/span>no local \u00e9 aproximadamente <\/b><\/span><\/span><\/span>10m\/s<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sup><\/span> <\/b>e <\/b><\/span><\/span><\/span>despreze as for\u00e7as de atrito. <\/b><\/span><\/span><\/span>O <\/b><\/span><\/span><\/span>m\u00f3dulo da velocidade <\/b><\/span><\/span><\/span>com que o <\/b><\/span><\/span><\/span>disco atinge a superf\u00edcie horizontal mais alta <\/b><\/span><\/span><\/span>\u00e9 <\/b><\/span><\/span><\/span><\/p>\n

08 \u2013 (CEDERJ-RJ-2018)<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

A <\/b><\/span><\/span><\/span>figura ilustra o trajeto <\/b><\/span><\/span><\/span>de um <\/b><\/span><\/span><\/span>raio de luz passando atrav\u00e9s de tr\u00eas meios denotados por 1, 2 e 3, <\/b><\/span><\/span><\/span>com <\/b><\/span><\/span><\/span>\u00edndices de refra\u00e7\u00e3o n<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span>, n<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> e n<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span>, <\/b><\/span><\/span><\/span>respectivamente: <\/b><\/span><\/span><\/span><\/p>\n

\"CEDERJ\"<\/p>\n

As <\/b><\/span><\/span><\/span>rela\u00e7\u00f5es entre os \u00edndices de refra\u00e7\u00e3o desses meios<\/b><\/span><\/span><\/span> s\u00e3o <\/b><\/span><\/span><\/span><\/p>\n

(A) <\/b><\/span><\/span><\/span>n<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span><\/p>\n

(B) <\/b><\/span><\/span><\/span>n<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

(C) <\/b><\/span><\/span><\/span>n<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> <\/b><\/p>\n

(D) <\/b><\/span><\/span><\/span>n<\/b><\/span><\/span><\/span>3<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>2<\/b><\/span><\/span><\/sub><\/span> > n<\/b><\/span><\/span><\/span>1<\/b><\/span><\/span><\/sub><\/span><\/p>\n

 <\/p>\n

Confira a resolu\u00e7\u00e3o comentada<\/span><\/a><\/h3>\n

 <\/p>\n

Clique aqui para ver sobre o tema!<\/a><\/p>\n

Confira as v\u00eddeo aulas!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

CEDERJ-RJ-2018 (CEDERJ-RJ)\u00a0–\u00a0Centro de Ci\u00eancias e Educa\u00e7\u00e3o Superior a Dist\u00e2ncia do Estado do Rio de Janeiro Objetivo: Contribuir para a interioriza\u00e7\u00e3o do ensino superior p\u00fablico, gratuito e de qualidade no Estado do Rio de Janeiro por meio da oferta de cursos de gradua\u00e7\u00e3o a dist\u00e2ncia, na modalidade semipresencial, garantindo a qualidade destes no que diz respeito ao processo de avalia\u00e7\u00e3o de<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3353,"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-3840","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3840","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=3840"}],"version-history":[{"count":5,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3840\/revisions"}],"predecessor-version":[{"id":10396,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3840\/revisions\/10396"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3353"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=3840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}