Question

A metal sheet is of 4 m multiple by 3m size What is the increase in its surface area when heated through 80 degree celcius.Given that coefficient of superficial expansion of the metal id 2.4 multiple by 10-5 degree celcius​

Answer 1

Answer:

a metal sheet is of 4m*3m size what is the increase in its surface area when heated through 80°C？given the cofficent of ...