A moving body of mass m makes a head on elastic collision with another body of mass `2m` which is initially at rest. Find the fraction of kinetic energy lost by the colliding particles after collision.

A moving particle of mass m makes a head-on perfectly inelastic collision with a particle of mas 2m which is initially at rest. Find the fractional loss in energy of the colliding partic le after collision.

A body of mass 2 m moving with velocity v makes a head - on elastic collision with another body of mass m which is initially at rest. Loss of kinetic energy of the colliding body (mass 2 m) is

A body of mass m moving with velocity v makes a head-on collision with another body of mass 2 m which is initially at rest. The loss of kinetic energy of the colliding body (mass m ) is

A moving particle of mass 'm' makes head-on elastic collision with a particle of mass '2m' which is initially at rest.The fraction of K.E.lost by colliding particle is

A moving particle of mass m' makes head-on elastic collision with a particle of mass '2m' which is initially at rest.The fraction of K.E.lost by colliding particle is

A neutron collides head-on and elasticity with an atom of mass number A , which is initially at rest. The fraction of kinetic energy retained by neutron is

A body of mass m moving with velocity v collides head on with another body of mass 2 m which is initially at rest. The ratio of K.E. of colliding body before and after collision will be