Unit of power is :

An object of mass m is moving with velocity v then kinetic energy will be :

An object of mass m is situated at height h from the earth surface then its value of potential energy will be :

A mass of 1 kg is lifted up to height of 4 meters then the work done will be (g = 10 m/s²) :

The value of the energy of the body which is falling freely towards the earth will be :