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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two masses 'm₁' and 'm₂' moving with velocities 'v₁' and 'v₂' in opposite directions collide elastically and after collision 'm₁' and 'm₂' move with velocity 'v₂' and 'v₁' respectively, the ratio is [MHT-CET 2022]

Answer: (C)

Solution

Conservation of momentum together with the elastic-collision relation for interchanged velocities gives

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Question ID VK-062466