[{"_1":2,"_326":-5,"_327":-5},"loaderData",{"_3":4,"_9":10},"root",{"_5":-5,"_6":7,"_8":-5},"registerModalConfig","url","https://prouniversitario.com/exercicios/dae65fda-3da2-4d14-a69d-fdbd80023ed0","user","pages/questions/show/index",{"_11":12,"_13":14,"_15":14,"_16":17,"_78":79,"_155":156,"_30":228,"_298":299,"_322":323,"_324":325},"comments",[],"hasVideoHash",false,"isAiGenerated","question",{"_18":19,"_20":21,"_22":23,"_24":25,"_57":58,"_72":21,"_73":74,"_75":76,"_77":45},"correctOptionId","5a36e68c-c4b8-495b-8481-98cbb4d5e281","difficulty","","id","dae65fda-3da2-4d14-a69d-fdbd80023ed0","metadata",{"_26":27,"_53":54,"_55":56},"pd",{"_28":29,"_30":31,"_32":33,"_40":41,"_42":43,"_44":45,"_46":47,"_48":45,"_49":50,"_51":52},"area","Outros","tags",[],"subjects",[34],{"_22":35,"_36":37,"_38":39},669639,"name","Termodinâmica","alias","termodinamica","materialId","106429969","answerCount",1,"isIndexable",true,"mainSubject",{"_22":35,"_36":37,"_38":39},"isIndexableSEO","materialFormat","Text","studentDegreeLevel","Graduate","source","PD","externalId","163774869","options",[59,65,69],{"_22":60,"_61":62,"_63":64},"76aa4a19-9216-43c3-9a00-b31f40f65b69","label","A","text","

É a quantidade de vapor existente na mistura líquido-vapor em condição de saturação.

",{"_22":66,"_61":67,"_63":68},"c961b0be-4a13-4641-a942-796db7d665a7","B","

É o vapor na temperatura e na pressão de saturação.

",{"_22":19,"_61":70,"_63":71},"C","

É o vapor altamente superaquecido e com estado de equilíbrio longe do de saturação.

","solution_explanation","statement","

Qual definição abaixo descreve o vapor superaquecido:

","status","pending_classification","hasRelatedVideo","relatedVideos",[80],{"_81":82,"_100":101,"_30":116,"_135":136,"_154":117},"content",{"_22":83,"_36":84,"_85":-5,"_86":87,"_88":89,"_90":-5,"_24":91,"_94":95,"_96":95,"_97":-5,"_98":99},"162087be-594f-460e-bbdd-a339ac2f10ad","Calor Latente - Parte 1","description","content_type_id","1051eee7-c62e-4b2c-9900-77a29fcec080","resource_id","f2b62fc2-7079-40e7-a5b5-c4a9769b205d","user_id",{"_92":93},"external_id","3659","created_at","2025-08-20T12:27:41.608438+00:00","updated_at","content_group_id","slug","calor-latente-parte-1","prometheusData",{"_102":103,"_109":110,"_111":112,"_113":114,"_6":115},"provider",{"_22":104,"_105":106,"_107":108},"06f120be-2194-4548-8336-7ba44ffbae14","key","grupo_q_proteus","kind","proteus","reference","bf8aacba-3de9-4b10-961c-47ada80dfe8c","state","completed","thumbnail_url","https://proteus.grupoq.io/videos/bf8aacba-3de9-4b10-961c-47ada80dfe8c/thumbnailsthumb.0000000.jpg","https://proteus.grupoq.io/videos/bf8aacba-3de9-4b10-961c-47ada80dfe8c/levels.m3u8",[117],{"_22":118,"_36":119,"_38":120,"_121":122,"_123":124,"_94":125,"_96":125,"_24":126,"_98":120,"_133":134},"96193fa0-9495-45b2-81cc-b547604354af","Física Térmica - Termologia","fisica-termica-termologia","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","c8ab2a95-fd84-4d6f-ade0-835d34ba00f9","2025-04-29T03:44:27.560682+00:00",{"_127":128,"_129":130,"_131":132},"childrenCount",10,"content_count",0,"question_count",8575,"children",[],"video",{"_22":89,"_137":84,"_85":-5,"_138":139,"_140":141,"_6":-5,"_142":-5,"_102":141,"_143":144,"_113":-5,"_145":-5,"_146":-5,"_147":-5,"_148":-5,"_24":149,"_150":130,"_151":-5,"_75":152,"_94":153,"_96":153},"title","duration",17,"source_type","prometheus","iframe_url","provider_video_id","748a4adb-ad8f-4c5f-88a9-bc522d3b4246","format","quality","file_path","file_size",{"_92":93},"views_count","last_played_at","draft","2025-08-19T11:56:22.11908+00:00","tag","similarQuestions",[157,189,207],{"_18":158,"_20":21,"_22":159,"_57":160,"_72":177,"_73":178,"_30":179},"112831da-be9c-458e-94cb-e8292d0dba12","3c0b9441-b878-4896-8bac-fa4ca61e3f13",[161,164,167,170,174],{"_22":162,"_61":62,"_63":163},"265bd71a-6749-41f5-b291-67efd646ca64","y'' + 2y' - 3y = 0",{"_22":165,"_61":67,"_63":166},"6d3c3a1d-8e80-4ff3-b97a-d5b5bca91940","6y'' - y' - y = 0",{"_22":168,"_61":70,"_63":169},"4168ac67-64fd-46ed-a69c-a01dbfcde7ea","y'' - 2y' + y = 0",{"_22":171,"_61":172,"_63":173},"cc7bc8df-6995-4264-ac5a-32ea9b4ed7db","D","9y'' + 6y' + y = 0",{"_22":158,"_61":175,"_63":176},"E","y'' - 2y' + 6y = 0","Somente em y''−2y'+6y=0 o polinômio característico r²−2r+6=0 tem Δ<0, gerando raízes complexas conjugadas (1±i√5) e, portanto, solução em termos de exponencial modulando seno e cosseno. Nos demais itens (a–d) o discriminante é ≥0, produzindo raízes reais (distintas ou repetidas).","

Resolva as seguintes EDOs determinando a solução geral e, quando houver condições iniciais do PVI, a solução particular.

(a) y'' + 2y' - 3y = 0

(b) 6y'' - y' - y = 0

(d) 9y'' + 6y' + y = 0

(e) y'' - 2y' + 6y = 0

(f) 4y'' + 9y = 0

(g) 6y'' - 5y' + y = 0; \\, y(0) = 4; \\, y'(0) = 0

(h) y'' + 4y' + 4y = 0; \\, y(-1) = 2; \\, y'(-1) = 1

(i) y'' + y = 0; \\, y\bigg(\\frac{\\pi}{3}\\bigg) = 2; \\, y'\\bigg(\\frac{\\pi}{3}\\bigg) = -4

(j) y'' - 2y' - 3y = 3e^{2t}

(k) y'' + 9y = t^2 e^{3t} + 6

(l) 2y'' + 3y' + y = t^2 + 3 \\sin(t)

(m) y'' + y' - 2y = 2t; \\, y(0) = 0; \\, y'(0) = 1

(n) y'' - 2y' + y = te^t + 4; \\, y(0) = 1; \\, y'(0) = 1

(o) y'' + 4y = 3 \\sin(2t); \\, y(0) = 2; \\, y'(0) = -1

",[180],{"_22":181,"_36":182,"_38":183,"_121":122,"_123":184,"_94":185,"_96":185,"_24":186,"_98":183},"6516bbbd-f2a3-4710-8382-702240b17836","Mecânica na Engenharia de Petróleo","mecanica-na-engenharia-de-petroleo","b787e438-0ab3-454c-ab43-5d3d14c2720d","2025-04-29T03:44:35.328997+00:00",{"_127":187,"_129":130,"_131":188},4,12302,{"_18":190,"_20":21,"_22":191,"_57":192,"_72":204,"_73":205,"_30":206},"6831a9b9-c9a4-4a76-bd7a-2ce98bfea875","93a32dd4-5fc6-4ccb-a76f-4724bf113742",[193,196,199,201],{"_22":194,"_61":62,"_63":195},"13e3f476-a0a5-421f-b47e-0969e8e9a7e0","

Verdadeiro, verdadeiro, falso

",{"_22":197,"_61":67,"_63":198},"c9a20855-d84b-4860-8b35-9784818282cf","

Falso, verdadeiro, verdadeiro

",{"_22":190,"_61":70,"_63":200},"

Verdadeiro, falso, verdadeiro

",{"_22":202,"_61":172,"_63":203},"3c98539b-1af9-4d44-aecd-c266754a2075","

Falso, falso, falso

","85,5 % decomposto → 14,5 % restante.\nN/N0 = 0,145 ⇒ t = ln(1/0,145)/(ln2/5730) ≈ 1,6×10⁴ anos.\nItens prováveis: (1) resta 14,5 % do C-14 (V); (2) idade ≈ 1,2×10⁴ anos ou 3 meias-vidas (F); (3) t½ do C-14 = 5730 anos (V). Sequência: V-F-V, correspondendo à alternativa c.","

Qual é a idade da madeira na qual 85,5\\% do C-14 se decompos?

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a) ????3 de ????4????5
b) ????2 de ????2????????2
c) ????1 de 2????????1
d) ????1 de 2????2????",[180],[180,229,236,246,253,260,261,269,275,280,286,293],{"_22":230,"_36":37,"_38":39,"_121":122,"_123":231,"_94":125,"_96":125,"_24":232,"_98":235},"6b6faf95-0e3a-4f58-abc8-e1444c48041d","92339f4f-ed20-4f4c-ad85-0c3de7e04ae0",{"_127":233,"_129":130,"_131":234},2,11846,"termodinamica-3",{"_22":237,"_36":238,"_38":239,"_121":122,"_123":240,"_94":241,"_96":241,"_24":242,"_98":245},"861ad829-750d-4a44-9569-2f18b430b4df","Engenharia Mecatrônica","engenharia-mecatronica","eb9315c5-bd04-4116-aa46-02c4fde320c0","2025-04-29T02:19:12.828432+00:00",{"_127":243,"_129":130,"_131":244},5,30614,"engenharia-mecatronica-1",{"_22":247,"_36":248,"_38":249,"_121":122,"_123":237,"_94":185,"_96":185,"_24":250,"_98":252},"88fe96b3-2a17-4198-90d5-ddda3d6f5d45","Mecânica","mecanica",{"_127":243,"_129":130,"_131":251},25741,"mecanica-3",{"_22":231,"_36":254,"_38":255,"_121":122,"_123":240,"_94":241,"_96":241,"_24":256,"_98":259},"Engenharia Mecânica","engenharia-mecanica",{"_127":257,"_129":130,"_131":258},11,36318,"engenharia-mecanica-2",{"_22":118,"_36":119,"_38":120,"_121":122,"_123":124,"_94":125,"_96":125,"_24":126,"_98":120},{"_22":262,"_36":263,"_38":264,"_121":122,"_123":-5,"_94":265,"_96":265,"_24":266,"_98":264},"9772e958-72c6-4499-ad47-877cf94d670d","Exatas","exatas","2025-04-29T01:56:45.284172+00:00",{"_127":267,"_129":130,"_131":268},18,135489,{"_22":270,"_36":37,"_38":39,"_121":122,"_123":181,"_94":271,"_96":271,"_24":272,"_98":274},"b21374de-aae5-4a4a-9bf3-0420e731797e","2025-04-29T04:00:14.680867+00:00",{"_127":130,"_129":130,"_131":273},8597,"termodinamica-5",{"_22":184,"_36":276,"_38":277,"_121":122,"_123":240,"_94":241,"_96":241,"_24":278,"_98":279},"Engenharia de Petróleo","engenharia-de-petroleo",{"_127":243,"_129":130,"_131":188},"engenharia-de-petroleo-1",{"_22":124,"_36":281,"_38":282,"_121":122,"_123":262,"_94":241,"_96":241,"_24":283,"_98":285},"Física","fisica",{"_127":257,"_129":130,"_131":284},13777,"fisica-4",{"_22":240,"_36":287,"_38":288,"_121":122,"_123":-5,"_94":289,"_96":289,"_24":290,"_98":288},"Engenharia","engenharia","2025-04-29T01:55:38.635246+00:00",{"_127":291,"_129":130,"_131":292},29,351586,{"_22":294,"_36":37,"_38":39,"_121":122,"_123":247,"_94":295,"_96":295,"_24":296,"_98":297},"f5967cbe-d751-4b40-81f2-04eb5dead2a9","2025-04-29T04:00:13.215003+00:00",{"_127":130,"_129":130,"_131":273},"termodinamica-4","tagsTree",[300,304],{"_22":262,"_36":263,"_38":264,"_121":122,"_123":-5,"_94":265,"_96":265,"_24":266,"_98":264,"_133":301},[302],{"_22":124,"_36":281,"_38":282,"_121":122,"_123":262,"_94":241,"_96":241,"_24":283,"_98":285,"_133":303},[117],{"_22":240,"_36":287,"_38":288,"_121":122,"_123":-5,"_94":289,"_96":289,"_24":290,"_98":288,"_133":305},[306,312,316],{"_22":237,"_36":238,"_38":239,"_121":122,"_123":240,"_94":241,"_96":241,"_24":242,"_98":245,"_133":307},[308],{"_22":247,"_36":248,"_38":249,"_121":122,"_123":237,"_94":185,"_96":185,"_24":250,"_98":252,"_133":309},[310],{"_22":294,"_36":37,"_38":39,"_121":122,"_123":247,"_94":295,"_96":295,"_24":296,"_98":297,"_133":311},[],{"_22":231,"_36":254,"_38":255,"_121":122,"_123":240,"_94":241,"_96":241,"_24":256,"_98":259,"_133":313},[314],{"_22":230,"_36":37,"_38":39,"_121":122,"_123":231,"_94":125,"_96":125,"_24":232,"_98":235,"_133":315},[],{"_22":184,"_36":276,"_38":277,"_121":122,"_123":240,"_94":241,"_96":241,"_24":278,"_98":279,"_133":317},[318],{"_22":181,"_36":182,"_38":183,"_121":122,"_123":184,"_94":185,"_96":185,"_24":186,"_98":183,"_133":319},[320],{"_22":270,"_36":37,"_38":39,"_121":122,"_123":181,"_94":271,"_96":271,"_24":272,"_98":274,"_133":321},[],"videoDislikes",{},"videoLikes",{},"actionData","errors"]

Comentários