Physics · 2023
JEE Main · 31 January 2023, Shift 2 · Q29
A ball is dropped from a height of 20 m. If the coefficient of restitution for the collision between ball and floor is 0.5, after hitting the floor,…
A ball is dropped from a height of $\displaystyle 20$ m . If the coefficient of restitution for the collision between ball and floor is $\displaystyle 0.5$ , after hitting the floor, the ball rebounds to a height of $\displaystyle \_\_\_\_$ m.
Official answer
From NTA’s final answer key for this paper.
5
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.