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?
b. If your car could recapture 40% of the heat energy released from your brakes, how much energywould you recapture?
c. Imagine that you have an electric car and all of the recaptured energy is put back into the battery that powers your car. What speed could your car achieve from rest by using only the recaptured energy from part (b)