Work, Energy and Power

Question: A rubber ball is dropped from a height of 5 m on a planet where the acceleration due to gravity is not known. On bouncing, it rises to 1.8 m. The ball loses its velocity on bouncing by a factor of



1) 16/25
2) 2/5
3) 3/5
4) 9/25
Solution: Explanation: No Explanation
WEP Elastic and Inelastic collision

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