Two bodies of masses 3 kg and 2 kg collide head-on. Their relative velocities before and after collision are 15 m/s and 5 m/s respectively. The loss of kinetic energy of the system is

Two identical balls A and B collide head on elastically. If velocities of A and B, before the collision are +0.5 m/s and -0.3 m/s respectively, then their velocities, after the collision, are respectively

Two bodies of mass 4 kg and 5 kg are moving along East and North directions with velocities 5 m//s and 3 m//s respectively. Magnitude of the velocity of centre of mass of the system is

A body of mass 2 kg collides with a body of mass 1 kg. Their initial velocities are 6 m/s and 4 m/s respectively. If the velocity of the first body after collision is : (14)/3 m/s , find the velocity of the second body after collision.

Two bodies of masses 1 kg and 0.5 kg move towards each other with velocities 10 cm *s^(-1) and 5 cm *s^(-1) respectively . After collision, the bodies coalesce (join together). Find the common velocity after collision and the loss in kinetic energy.

A body of mass m1 collides head on perfectly elastically with a stationary body of mass m_(2) . If velocities of m_(1) before and after the collision are v and –v/3 respectively then the value of m_(1)//m_(2) is-

A body of mass 2 kg travels with a velocity of 8 m//s makes a head on collision with another body having mass 4 kg, which is travelling in the same direction with a velocity of 1 m//s . Calculate the velocities of the two bodies after collision. Find the loss in kinetic energy of the system. (Given e = 0.5)

A body of mass 4 kg moving with velocity 12 m//s collides with another body of mass 6 kg at rest. If two bodies stick together after collision , then the loss of kinetic energy of system is

A body of mass 4 kg moving with velocity 12 m//s collides with another body of mass 6 kg at rest. If two bodies stick together after collision , then the loss of kinetic energy of system is

A body of mass 4 kg moving with velocity 12 m//s collides with another body of mass 6 kg at rest. If two bodies stick together after collision , then the loss of kinetic energy of system is