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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 dropped from a height of 45m from the ground. The coefficient of restitution between the ball and the ground is 2/3. What is the distance travelled by the ball in 4th second of its motion. Assume negligible time is spent in rebounding. Let g=10ms^2

A ball is dropped from a height of 45m from the ground. The coefficient of restitution between the ball and the ground is 2/3. What is the distance travelled by the ball in 4th second of its motion. Assume negligible time is spent in rebounding. Let g=10ms^2

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