Respostas

2013-08-11T18:13:53-03:00
100 % = 1
101% = 1,01
1% = 0,01
Coeficiente de Dilatacao superficial = 2 alpha = 2 * 2 * 10^-5 = 4 * 10^-5

/\S = So * beta * /\T
0,01 = 1 * 4*10^-5 * /\T

1 * 10^-2 = 4*10^-5 /\T

10^-2 / 4*10^-5 = /\T

10^-2 * 10^5 / 4 = /\T

1000/4 = /\T
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/\T = 250°C
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