A 1200 kg sports car accelerates from 0 to 60.0 mph (27.0 m/s) in 5.20 seconds.


What is the average power developed in watts?

In kilowatts?

2 answers

gain in Kinetic energy = work done
= (1/2) 1200 27^2 Joules
divide by time to get power
Power = 600 * 27^2 / 5.2 watts

divide by 1000 to get kw
it's 91,100 W