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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 8 - COM, Momentum and Collision > A smooth sphere is moving on a horizontal surface with velocity vector 2iˆ+2jˆ immediately before it hits a vertical wall. The wall is parallel to jˆ vector and the coefficient of restitution between the sphere and the wall is e=1/2. The velocity vector of the sphere after it hits the wall is

A smooth sphere is moving on a horizontal surface with velocity vector 2iˆ+2jˆ immediately before it hits a vertical wall. The wall is parallel to jˆ vector and the coefficient of restitution between the sphere and the wall is e=1/2. The velocity vector of the sphere after it hits the wall is

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