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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 8 - COM, Momentum and Collision > A particle of mass m moving with velocity 1m/s collides perfectly elastically with another particle of mass 2m. If the incident particle is deflected by 90^∘. The heavy mass will make and angle θ with the initial direction of m equal to:

A particle of mass m moving with velocity 1m/s collides perfectly elastically with another particle of mass 2m. If the incident particle is deflected by 90^∘. The heavy mass will make and angle θ with the initial direction of m equal to:

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