Physics
Physics, 03.10.2020 01:01, alizeleach0123

Uma barra de ferro homogênea possui, a 20 °C, o comprimento de 6 m. Se o coeficiente de dilatação linear do ferro é 1,2 ∙ 10⁻⁵ °C⁻¹ a temperatura a que esta barra deve ser aquecida para seu comprimento seja 6,00036 m, é de:

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Uma barra de ferro homogênea possui, a 20 °C, o comprimento de 6 m. Se o coeficiente de dilatação li...

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