Respostas

2014-03-26T17:41:01-03:00
/\L = 1/100Lo

/\L = Lo * alpha * /\T

1/100Lo = Lo * alpha * /\T

0,01 = alpha * /\T

10^-2 = alpha * 5*10^2

10^-2/10^2 = 5 alpha

10^-4 = 5 alpha

10^-4/5 = alpha

alpha = 2*10^-5 = 0,00002 °C^-1