Determine the power of a motor of a 1200 kg car that changes its speed from 10 m / s to 16 m / s in 3 seconds. Express the result in horsepower and consider null friction.
a = 6/3 = 2 m/s^2
F = ma = 2400N
work = force * distance, so figure how far it went in those 3 seconds.
Power = Work/time.
convert the Watts to hp.