{"id":16222,"date":"2024-09-19T10:41:37","date_gmt":"2024-09-19T13:41:37","guid":{"rendered":"https:\/\/xequematenem.com.br\/blog\/?p=16222"},"modified":"2024-09-19T10:41:38","modified_gmt":"2024-09-19T13:41:38","slug":"questao-115-enem-2022","status":"publish","type":"post","link":"https:\/\/xequematenem.com.br\/blog\/questao-115-enem-2022\/","title":{"rendered":"Quest\u00e3o 115 &#8211; ENEM 2022"},"content":{"rendered":"\n<p>A varia\u00e7\u00e3o da incid\u00eancia de radia\u00e7\u00e3o solar sobre a superf\u00edcie da Terra resulta em uma varia\u00e7\u00e3o de temperatura ao longo de um dia denominada amplitude t\u00e9rmica. Edifica\u00e7\u00f5es e pavimenta\u00e7\u00f5es realizadas nas \u00e1reas urbanas contribuem para alterar as amplitudes t\u00e9rmicas dessas regi\u00f5es, em compara\u00e7\u00e3o com regi\u00f5es que mant\u00eam suas caracter\u00edsticas naturais, com presen\u00e7a de vegeta\u00e7\u00e3o e \u00e1gua, j\u00e1 que o calor espec\u00edfico do concreto \u00e9 inferior ao da \u00e1gua. Assim, parte da avalia\u00e7\u00e3o do impacto ambiental que a presen\u00e7a de concreto proporciona \u00e0s \u00e1reas urbanas consiste em considerar a substitui\u00e7\u00e3o da \u00e1rea concretada por um mesmo volume de \u00e1gua e comparar as varia\u00e7\u00f5es de temperatura devido \u00e0 absor\u00e7\u00e3o da radia\u00e7\u00e3o solar nas duas situa\u00e7\u00f5es (concretada e alagada). Desprezando os efeitos da evapora\u00e7\u00e3o e considerando que toda a radia\u00e7\u00e3o \u00e9 absorvida, essa avalia\u00e7\u00e3o pode ser realizada com os seguintes dados:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"313\" height=\"109\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-319.png\" alt=\"\" class=\"wp-image-16232 lazyload\" title=\"\" data-srcset=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-319.png 313w, https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-319-300x104.png 300w\" data-sizes=\"(max-width: 313px) 100vw, 313px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 313px; --smush-placeholder-aspect-ratio: 313\/109;\" \/><\/figure>\n\n\n\n<p>A raz\u00e3o entre as varia\u00e7\u00f5es de temperatura nas \u00e1reas concretada e alagada \u00e9 mais pr\u00f3xima de&nbsp;<\/p>\n\n\n\n<p>A) 1,0.&nbsp;<\/p>\n\n\n\n<p>B) 2,1.&nbsp;<\/p>\n\n\n\n<p>C) 2,5.&nbsp;<\/p>\n\n\n\n<p>D) 5,3.&nbsp;<\/p>\n\n\n\n<p>E) 13,1.<\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><strong>Solu\u00e7\u00e3o<\/strong><\/p>\n\n\n\n<p>A equa\u00e7\u00e3o da quantidade de calor absorvida por um corpo \u00e9 dada por<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"102\" height=\"41\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-314.png\" alt=\"\" class=\"wp-image-16226 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 102px; --smush-placeholder-aspect-ratio: 102\/41;\"><\/figure>\n\n\n\n<p>Em que m \u00e9 a massa do corpo, c o calor espec\u00edfico e T \u00e9 a varia\u00e7\u00e3o de temperatura. Al\u00e9m disso, \u00e9 necess\u00e1rio entender que a massa pode ser representada em fun\u00e7\u00e3o da densidade da seguinte forma<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"92\" height=\"39\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-315.png\" alt=\"\" class=\"wp-image-16227 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 92px; --smush-placeholder-aspect-ratio: 92\/39;\"><\/figure>\n\n\n\n<p>onde D \u00e9 a densidade, e V \u00e9 o volume do corpo.<\/p>\n\n\n\n<p>Sabendo que o volume e quantidade de calor recebida para a \u00e1gua e concreto s\u00e3o as mesmas, temos que&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"158\" height=\"76\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-316.png\" alt=\"\" class=\"wp-image-16228 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 158px; --smush-placeholder-aspect-ratio: 158\/76;\"><\/figure>\n\n\n\n<p>Portanto,&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"139\" height=\"107\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-317.png\" alt=\"\" class=\"wp-image-16229 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 139px; --smush-placeholder-aspect-ratio: 139\/107;\"><\/figure>\n\n\n\n<p>Assim,<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"235\" height=\"125\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/09\/image-318.png\" alt=\"\" class=\"wp-image-16230 lazyload\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 235px; --smush-placeholder-aspect-ratio: 235\/125;\"><\/figure>\n\n\n\n<p><strong>Alternativa B<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A varia\u00e7\u00e3o da incid\u00eancia de radia\u00e7\u00e3o solar sobre a superf\u00edcie da Terra resulta em uma varia\u00e7\u00e3o de temperatura ao longo de um dia denominada amplitude t\u00e9rmica. Edifica\u00e7\u00f5es e pavimenta\u00e7\u00f5es realizadas nas \u00e1reas urbanas contribuem para alterar as amplitudes t\u00e9rmicas dessas regi\u00f5es, em compara\u00e7\u00e3o com regi\u00f5es que mant\u00eam suas caracter\u00edsticas naturais, com presen\u00e7a de vegeta\u00e7\u00e3o e [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":16232,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,4],"tags":[],"area-do-conhecimento":[121,116],"assunto":[],"class_list":["post-16222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-questoes-do-enem","category-4","area-do-conhecimento-fisica","area-do-conhecimento-ciencias-da-natureza-e-suas-tecnologias"],"_links":{"self":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/16222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/comments?post=16222"}],"version-history":[{"count":1,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/16222\/revisions"}],"predecessor-version":[{"id":16233,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/16222\/revisions\/16233"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media\/16232"}],"wp:attachment":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media?parent=16222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/categories?post=16222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/tags?post=16222"},{"taxonomy":"area-do-conhecimento","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/area-do-conhecimento?post=16222"},{"taxonomy":"assunto","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/assunto?post=16222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}