What is the kinetic energy of a body of mass 10 kg moving at a speed of 10 m/s?
1000 J
1000 W
500 W
500 J
Kinetic energy =mv22
=10×1022
=500J
A moving body weighing 400N possess 500J of kinetic energy. Calculate the velocity with which the body is moving (g=10m/s2)