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Center Of Mass
JEE Main 2023 (Online) 31st January Evening Shift
INTEGER+4 / -12023
A ball is dropped from a height of $20 \mathrm{~m}$. If the coefficient of restitution for the collision between ball and floor is $0.5$, after hitting the floor, the ball rebounds to a height of ________ $\mathrm{m}$.