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JEE Main2002PhysicsCenter of Mass, Momentum and CollisionActual

Two identical particles move towards each other with velocity 2 v and v respectively. The velocity of centre of mass is

Options

  1. Av
  2. Bv/3
  3. Cv/2
  4. Dzero

Correct answer

C. v/2

Step-by-step solution

Conserving Linear Momentum 2 Mv _ c =2 Mv - Mv v _ c = v / 2

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