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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 10 - COM, Momentum and Collision > A steel ball of radius 2cm is at rest on a frictionless surface. Another ball of radius 4cm moving at a velocity of 81cm/see collides elastically with first ball. After collision the smaller ball moves with speed of

A steel ball of radius 2cm is at rest on a frictionless surface. Another ball of radius 4cm moving at a velocity of 81cm/see collides elastically with first ball. After collision the smaller ball moves with speed of

A body of mass m1 moving with a velocity 3m/s collides with another body at rest of m2 . After collision the velocities of the two bodies are 2m/s and 5m/s along the direction of motion of m1. The ratio m1/m2 is respectively