Physics · 2023
JEE Main · 13 April 2023, Shift 1 · Q31
A body of mass (5 ± 0.5) kg is moving with a velocity of (20 ± 0.4) m / s. Its kinetic energy will be
A body of mass $\displaystyle (5 \pm 0.5) \mathrm{kg}$ is moving with a velocity of $\displaystyle (20 \pm 0.4) \mathrm{m} / \mathrm{s}$. Its kinetic energy will be
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle (1000 \pm 140) \mathrm{J}$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.