Respostas

2013-08-11T18:08:45-03:00
Coeficiente de dilatacao linear (alpha)

/\L = Lo * alpha * /\T

0,1632 = 120 * alpha * 80

1632 * 10^-4 = 120 * 80 * alpha

1632 * 10^-4 / 960 = alpha

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alpha = 1,7 * 10^-4 °C^-1
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