The kinetic energy of a body of mass 4 kg and having momentum of 6 kg-m/s will be
4.5 J
2.5 J
5.5 J
3.5 J
K=p22m=368=4.5 J
A body having 5 kg mass is traveling with a certain velocity and has 10 kgms−1 momentum. What will be its kinetic energy?
A body of mass 40 kg having velocity 4 m/s collides with another body of mass 60 kg having velocity 2 m/s. If the collision is inelastic, then loss in kinetic energy will be