Question

You are going 30 m/s in a car of mass 1000 kg when you reach a red light and stop your car.

a. how much heat energy is released by the brakes of your car ​

Answer 1

Step-by-step explanation:

The kinetic energy will convert to heat energy (provided the car has friction brakes and not regenerative brakes as might be found on an electric or hybrid) Also assuming level road.

E = ½mv² = ½(1000)30² = 450,000 J