A particle of mass `m` moving with some velocity on a smooth surface strikes another particle of mass `eta m` at rest , elasticity head - on. What fraction of incident `K.E.` is transferred to the particle of mass `eta m`.

A particle of mass m moving with velocity v strikes a particle of mass 2m at rest and sticks to it. The speed of the combined mass is

A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be.

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it . The speed of the system will be

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it . The speed of the system will be

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it. The speed of the system will be

A particle of mass m moving with speed u collides perfectly inelastically with another particle of mass 3 m at rest. Loss of KE of system in the collision is

A particle of mass m moving with speed u collides perfectly inelastically with another particle of mass 3 m at rest. Loss of KE of system in the collision is

A particle of mass m moving with certain velocity collides elastically head on with a particle of mass 4m at rest. The percentage of K.E. transferred is

A particle of mass m_(1) moving on a smooth surface with some velocity strikes another particle of mass m_(2) at rest. The head - on elastic collision takes place. After the collision , particles move with equal speed in opposite direction . Determine the mass ratio.