Respostas

2014-07-17T15:42:44-03:00
/\S = So * beta * /\T
0,5 = 2 * beta * 40
0,5/80 = beta
0,00625 = beta

beta = 2alpha
0,00625/2 = alpha

alpha = 0,003125 = 3,125*10^-3°C^-1
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