Problem

Lei do resfriamento de Newton. A lei do resfriamento de Newton declara que a taxa de mudan...

Lei do resfriamento de Newton. A lei do resfriamento de Newton declara que a taxa de mudança na temperatura T(t) de um corpo é proporcional à diferença entre a temperatura do meio M(t) e a temperatura do corpo. Ou seja,

onde K é uma constante. Considere que K = 1 (min)–1 e que a temperatura do meio seja constante, M(t) = 70°. Se o corpo estiver de início a 100°, use o método de Euler com h = 0,1 para aproximar a temperatura do corpo após

(a) 1 minuto.


(b) 2 minutos.

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Solutions For Problems in Chapter 1.4
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