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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A body of mass 'm' moving with speed 3 m/s collides with a body of mass '2m' at rest. The coalesced mass will start to move with a speed of [MHT-CET 2021]

Answer: (B)

Solution

gives m/s; 3, 6 and 9 m/s are not less than the initial speed,

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Question ID VK-062451