Physics · 2023
JEE Main · 29 January 2023, Shift 1 · Q25
A 0.4 kg mass takes 8 s to reach ground when dropped from a certain height ' P ' above surface of earth. The loss of potential energy in the last…
A $\displaystyle 0.4$ kg mass takes $\displaystyle 8$ s to reach ground when dropped from a certain height ' P ' above surface of earth. The loss of potential energy in the last second of fall is $\displaystyle \_\_\_\_$J.
(Take $\displaystyle \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$ )
Official answer
From NTA’s final answer key for this paper.
300
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.