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JEE MAIN 2023
06-04-23 S2
Question
A body is dropped on ground from a height ' $\mathrm{h}_1$ ' and after hitting the ground, it rebounds to a height ' $\mathrm{h}_2$ ' If the ratio of velocities of the body just before and after hitting ground is 4 , then percentage loss in kinetic energy of the body is $\frac{x}{4}$. The value of $x$ is $\_\_\_\_$ .
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