A ball of mass m moving with a constant velocity strikes against a ball of same mass at rest. If `e=` coefficient of restitution, then what will be the ratio of velocity of two balls after collision?

A body of mass m is moving with constant velocity V on a horizontal surface. What is the force on the table ?

A spherical body collision head-on with another identical spherical body at rest. If the coefficient of restitution is e, show that the ratio of their velocities after collision is (1-e):(1+e) .

A body of mass m moving with velocity vecV collides elastically with another body B of same mass which is at rest. What will be the velocities of A and B after collision?

Two bodies of masses 5 kg and 10 kg move towards each other with velocities 10 m*s^(-1) and 14 m*s^(-1) respectively. If the coefficient of restitution is 0.8, find their velocities after the collision.

Two objects coalesce after a collision with each other. What is the coefficient of restitution ?

IF a gas molecule of a mass m and velocity u collides perpendicularly with a wall of container, what will be the value of momentum of the molecule after the collision?

A ball moving at 9m *s^(-1) , collides with an identical ball at rest. After collision, both the balls scatter at 30^@ with the initial direction of motion. Find the velocity of each ball after collision. Does the kinetic energy remain conserved in such a collision ?

A body of mass m moving with a velocity u strikes elastically a stationary body of mass 2m . After the elastic collision the bodies move with velocities v and V respectively . Show that the body of mass m loses 8/9 part of its initial kinetic energy.

A ball of mass m falls from a height h on a stationary horizontal plane and bounces up . If the coefficient of restitution is e, show that, the loss in kinetic energy due of impact is mgh (1-e^2) .