Question

ANSWER THE FOLLOWING QUESTION AND MAKE SURE TO GIVE A FULL DESCRIPTION TO HOW YOU GOT YOUR ANSWER (EX. make sure to use blank rule in order to get blank answer) URGENT
A car of mass 1800 kg moving with a speed at 90 km/hr is brought to rest by the application of disc brakes. Find the average increase in temperature if the brakes if each of the four brakes has a mass of 4.5 kg. Take the specific heat capacity of the brake material to be 680 J/kg degree C, and assume that all the kinetic energy, 562.5 kJ, is changed into heat energy in the brakes.

Answer 1

Here is how I did it