MHT CET 2023 Physics question

A body falls on a surface of coefficient of restitution 0.6 from a height of 1 m. Then the body rebounds to a height of

Answer: (B)

Solution

The speed on reaching the surface is . The coefficient of restitution is , so the rebound speed is . The rebound height is \dfrac{v'^2}{2g}$ =

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Question ID VK-094665