work done = change in Ke
= (1/2) m v^2 = 500*900 Joules
power = work/time
= 500 * 900 / 5
= 90,000 Watts
a 1000 kg sports car accelerates from 0-30 m/s in 5.0 s. What is tge average power delivered by the automobile engine?
1 answer