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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 8 - COM, Momentum and Collision > A particle at rest is constrained to move on a smooth horizontal surface. Another identical particle hits the fractional particle with a velocity v at an angle θ=60^∘ with horizontal. If the particles move together, the velocity of the combination just after impact is equal to

A particle at rest is constrained to move on a smooth horizontal surface. Another identical particle hits the fractional particle with a velocity v at an angle θ=60^∘ with horizontal. If the particles move together, the velocity of the combination just after impact is equal to

Two particles are shown in figure. At t=0 a constant force F=6N starts acting on 3kg. Find the velocity of circle of mass of these particle at t=5s.