A ball of mass `10 kg` strikes another ball of mass `25 kg` at rest. If they separated in mutually perpendicular directions then the coefficient of restitution is:

A ball of mass M strikes another smooth ball of mass m at rest. If they separate in mutually perpendicular directions, then the coefficient of impact (e) is :

A ball of mass m moving at a speed v collides with another ball of mass 3m at rest. The lighter block comes to rest after collisoin. The coefficient of restitution is

A ball of mass m moving with velocity u strikes another identical ball at rest. Find the velocities of the balls after the collision if the coefficient of restitution is e and the collision is head -on. Also , calculate the loss in K.E.

A ball of mass 2kg moving with speed 5m/s collides directly with another ball of mass 3kg moving in the same direction with speed 4m/s. The coefficient os restitution is 2/3. Find the velocities of both ball after the collision.

A ball A of mass 0.2 strikes another ball B of unknown mass at rest . If the ball A makes an elastic head on collision and then rebounds at one half of its original speed , then calculate the mass of ball B .

Two billiard balls of same size and mass are in contact on a billiard table. A third ball of same mass and size strikes them symmetrically and remains at rest after the impact. Find the coefficient of restitution between the balls?

A ball collides directly with another ball at rest and is brought to rest by the impact. If half of the initial kinetic energy is lost in the impact, then the coefficient of restitution is

A ball of mass 100g moving at a speed of 12 m s^(-1) strikes another ball of mass 200 g at rest. After the collision both the balls move with a common velocity. Find the common velocity.

A ball impinges directly on another ball at rest. The first ball is brought to rest by the impact. If half of the kinetic energy is lost by the impact, the value of coefficient of restitution is