El nuevo área será:
A gold sheet ((A_0 = 0.3 , \textm^2), (\alpha = 1.4 \times 10^-5 , \text°C^-1)) is heated from (25 , \text°C) to (225 , \text°C). Find (\Delta A). (0.00168 , \textm^2) dilatacion superficial ejercicios resueltos