Sistemas de Equações Diferenciais Ordinárias Triedro de Frenet-Serret, Curvatura e Torção matematica aplicada ufrgs fabio e esequia

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Iniciado em Saturday, 26 Mar 2022, 20:55
Estado Finalizada
Concluída em Saturday, 26 Mar 2022, 21:21
Tempo
empregado
26 minutos 43 segundos
Notas 4,00/4,00
Avaliar 10,00 de um máximo de 10,00(100%)
joseh
Carimbo novo
Questão 1
Correto
Atingiu 1,00 de 1,00
Considere o problema de valor inicial dado abaixo:
 
,
com condições iniciais dadas por e e é uma constante positiva. Assinale a alternativa que apresenta 
 e a função .
Escolha uma opção:
a. e 
b. e .
c. e 
d. e 
e. e 
A resposta correta é: e 
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https://moodle.ufrgs.br/filter/tex/displaytex.php?texexp=w%5Cneq%202
https://moodle.ufrgs.br/filter/tex/displaytex.php?texexp=X%28s%29%3D%5Cmathcal%7BL%7D%20%5C%7Bx%28t%29%5C%7D
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Questão 2
Correto
Atingiu 1,00 de 1,00
A temperatura em um forno industrial evolui no tempo conforme o seguinte modelo simplificado:
 
 
 
onde representa a temperatura medida no forno, C é temperatura ambiente, C é temperatura de controle, é
a potência de aquecimento. Assinale a alternativa que aprensenta e .
Escolha uma opção:
a. e . 
b. e .
c. e .
d. e .
e. e .
A resposta correta é: e .
https://moodle.ufrgs.br/filter/tex/displaytex.php?texexp=u%27%28t%29%3D-2%20%28u%28t%29-T_a%29%20%2B%20q%28t%29
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Questão 3
Correto
Atingiu 1,00 de 1,00
A temperatura em um forno industrial evolui no tempo conforme o seguinte modelo simplificado:
 
 
onde representa a temperatura medida no forno, é temperatura ambiente, é temperatura de controle, 
é a potência de aquecimento. Assinale a alternativa que apresenta a transformada de Laplace e a temperatura .
Escolha uma opção:
a. e .
b. e .
c. e . 
d. e .
e. e .
A resposta correta é: e .
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https://moodle.ufrgs.br/filter/tex/displaytex.php?texexp=v%28t%29%3D50-30e%5E%7B-3t%7D
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Questão 4
Correto
Atingiu 1,00 de 1,00
Considere o problema de valor inicial dada por:
 
,
com . Assinale a alternativa que a transformada de Laplace e a solução .
Escolha uma opção:
a. e 
b. e 
c. e 
d. e 
e. e 
A resposta correta é: e 
 
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