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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A ball of mass 'm' falls height 'h' on a floor for which the coefficient of restitution is 'e'. After two rebounds, the height attained by the ball is [MHT-CET 2021]

Answer: (D)

Solution

Each rebound multiplies the speed by and hence the height by , so after two rebounds

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Question ID VK-062455