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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 8 - COM, Momentum and Collision > A ball is let fall from a height h0. There are n collisions with the earth. If the velocity of rebound after n collision is vn and the ball rises to a height hn then coefficient of restitution e is given by

A ball is let fall from a height h0. There are n collisions with the earth. If the velocity of rebound after n collision is vn and the ball rises to a height hn then coefficient of restitution e is given by

An object initially at rest explodes into three fragments A B and C. The momentum of A is piˆ and that of B is 3–√p jˆ where p is a + ve number. The momentum of C will be