An 8000-kg aluminium flagpole 100-m high is heated by the sun from a temperature of 10$\degree$C to 20$\degree$C. Find the increase in internal energy (in J) of the aluminium. (The coefficient of linear expansion is 24 * 10-6 ($\degree$C)-1, the density is 2.7 *103 kg/m3, and the specific heat of aluminium is 0.215 cal/g.$\degree$C.)

Question

Quizplus · Accepted Answer

The Answer of An 8000-kg aluminium flagpole 100-m high is heated by the sun from a temperature of 10$\degree$C to 20$\degree$C. Find the increase in internal energy (in J) of the aluminium. (The coefficient of linear expansion is 24 * 10-6 ($\degree$C)-1, the density is 2.7 *103 kg/m3, and the specific heat of aluminium is 0.215 cal/g.$\degree$C.)

An 8000-Kg Aluminium Flagpole 100-M High Is Heated by the Sun