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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two masses ‘’ and ‘’ moving with velocities ‘’ and ‘’ opposite directions collide elastically. After the collision ‘’ and ‘’ move with velocities ‘’ and ‘’ respectively, then the ratio is [MHTCET 2023]

Answer: (C)

Solution

Momentum conservation m_aV_a + m_bV_b = m_aV_b + m_bV_a gives , so and the ratio

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Question ID VK-062500