A 1500-kg car starts from rest to reach 60.0 miles/h in 7.50 s.
(a) How much work is done by the engine during the acceleration?
(b) What is the engine's power output?
(c) If the same car moving at 55.0 miles/h brakes to a complete stop, how much heat (in joules AND in kcals) is generated? 1 kcal = 4186 J.