Physics · 2024
JEE Main · 31 January 2024, Shift 1 · Q33
A coin is placed on a disc. The coefficient of friction between the coin and the disc is μ. If the distance of the coin from the center of the disc…
A coin is placed on a disc. The coefficient of friction between the coin and the disc is $\displaystyle \mu$. If the distance of the coin from the center of the disc is $\displaystyle r$, the maximum angular velocity which can be given to the disc, so that the coin does not slip away, is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \sqrt{\frac{\mu g}{r}}$
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.