{"id":289,"date":"2014-12-13T20:35:36","date_gmt":"2014-12-13T20:35:36","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=289"},"modified":"2024-09-02T16:56:55","modified_gmt":"2024-09-02T16:56:55","slug":"resolucao-comentada-da-ufla-2015","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-da-ufla-2015\/resolucao-comentada-da-ufla-2015\/","title":{"rendered":"Resolu\u00e7\u00e3o comentada da UFLA 2015"},"content":{"rendered":"

RESOLU\u00c7\u00d5ES<\/b><\/span><\/span><\/span><\/p>\n

01- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

R- D<\/b><\/span><\/span><\/span><\/p>\n

02- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

03<\/b><\/span><\/span><\/span>–<\/b><\/span><\/span><\/span> <\/b><\/p>\n

R- C <\/b><\/span><\/span><\/span>(veja fisicaevestibular.com.br \u2013 Mec\u00e2nica \u2013 Din\u00e2mica \u2013 For\u00e7as no movimento circular).<\/b><\/span><\/span><\/span><\/p>\n

04-<\/b><\/span><\/span><\/span> \"\"<\/span><\/p>\n

05- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

06- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

07- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

08- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

09- <\/b><\/span><\/span><\/span>Heliocentrismo<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>\u00e9 a teoria a respeito do sistema cosmol\u00f3gico, segundo a qual a <\/b><\/span><\/span><\/span>Terra e os demais planetas giram em torno do\u00a0Sol<\/a>.
\n<\/b><\/span><\/span><\/span>Nicolau Cop\u00e9rnico, um polon\u00eas que viveu entre 1453 \u2013 1543<\/b><\/span><\/span><\/span>, \u00e9 considerado o fundador da astronomia moderna e pai do heliocentrismo.<\/b><\/span><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

10- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

11- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

12- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

13- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

14- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

15- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

16- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

17- <\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

18- <\/b><\/span><\/span><\/span>Veja <\/b><\/span><\/span><\/span>diagrama<\/b><\/span><\/span><\/span> de fases abaixo:<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

19- <\/b><\/span><\/span><\/span>O <\/b><\/span><\/span><\/span>trabalho da for\u00e7a peso independe da trajet\u00f3ria<\/b><\/span><\/span><\/span>, dependendo apenas das <\/b><\/span><\/span><\/span>posi\u00e7\u00f5es inicial (h<\/b><\/span><\/span><\/span>i<\/b><\/span><\/span><\/sub><\/span>=0) e final (h=3m), nas duas estruturas.<\/b><\/span><\/span><\/span><\/p>\n

\u00c9 o mesmo nas duas estruturas e vale W<\/b><\/span><\/span><\/span>p<\/b><\/span><\/span><\/sub><\/span> = mgh \u2013 mgh<\/b><\/span><\/span><\/span>i<\/b><\/span><\/span><\/sub><\/span> = Ph \u2013 Ph<\/b><\/span><\/span><\/span>i<\/b><\/span><\/span><\/sub><\/span> =10.3 \u2013 10.0 — <\/b><\/span><\/span><\/span>W<\/b><\/span><\/span><\/span>p<\/b><\/span><\/span><\/sub><\/span> = – 30J (negativo, <\/b><\/span><\/span><\/span>pois na subida a for\u00e7a peso \u00e9 contr\u00e1ria ao deslocamento e o \u00e2ngulo entre P e d \u00e9 180<\/b><\/span><\/span><\/span>o<\/b><\/span><\/span><\/sup><\/span>).<\/b><\/span><\/span><\/span><\/p>\n

Veja fisicaevestibular.com.br \u2013 Din\u00e2mica- mec\u00e2nica \u2013 trabalho da for\u00e7a peso.<\/b><\/span><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

20- <\/b><\/span><\/span><\/span>1\/f = 1\/P + 1\/P\u2019 — 1\/5 = 1\/9 + 1\/P\u2019 — 1\/5 \u2013 1\/9 = 1\/P\u2019 — (9 \u2013 5)\/45 = 1\/P\u2019 — <\/b><\/span><\/span><\/span>P\u2019 =45\/4cm.<\/b><\/span><\/span><\/span><\/p>\n

i\/o = – P\u2019\/P<\/b><\/span><\/span><\/span> — i\/2 = – (45\/4)\/9 — <\/b><\/span><\/span><\/span>i= – 5\/2cm (o sinal negative significa que a imagem \u00e9 invertida em rela\u00e7\u00e3o ao objeto).<\/b><\/span><\/span><\/span><\/p>\n

R- D<\/b><\/span><\/span><\/span><\/p>\n

 <\/p>\n

Confira os Exerc\u00edcios<\/a><\/span><\/h3>\n","protected":false},"excerpt":{"rendered":"

RESOLU\u00c7\u00d5ES 01- R- D 02- 03– R- C (veja fisicaevestibular.com.br \u2013 Mec\u00e2nica \u2013 Din\u00e2mica \u2013 For\u00e7as no movimento circular). 04- 05- 06- 07- 08- 09- Heliocentrismo\u00a0\u00e9 a teoria a respeito do sistema cosmol\u00f3gico, segundo a qual a Terra e os demais planetas giram em torno do\u00a0Sol. Nicolau Cop\u00e9rnico, um polon\u00eas que viveu entre 1453 \u2013 1543, \u00e9 considerado o fundador<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":287,"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-289","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/289","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=289"}],"version-history":[{"count":1,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/289\/revisions"}],"predecessor-version":[{"id":290,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/289\/revisions\/290"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/287"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}