Physics · 2023
JEE Main · 29 January 2023, Shift 1 · Q26
A tennis ball is dropped on to the floor from a height of 9.8 m. It rebounds to a height 5.0 m. Ball comes in contact with the floor for 0.2 s. The…
A tennis ball is dropped on to the floor from a height of $\displaystyle 9.8$ m . It rebounds to a height $\displaystyle 5.0$ m . Ball comes in contact with the floor for $\displaystyle 0.2$ s . The average acceleration during contact is $\displaystyle \_\_\_\_$ $\displaystyle \mathrm{ms}^{-2}$.
(Given $\displaystyle \mathrm{g}=10 \mathrm{~ms}^{-2}$ )
Official answer
From NTA’s final answer key for this paper.
120
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.