Physics · 2023
JEE Main · 31 January 2023, Shift 1 · Q5
100 balls each of mass m moving with speed v simultaneously strike a wall normally and reflected back with same speed, in time t s. The total force…
$\displaystyle 100$ balls each of mass $\displaystyle m$ moving with speed $\displaystyle v$ simultaneously strike a wall normally and reflected back with same speed, in time t s . The total force exerted by the balls on the wall is
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{200 m v}{t}$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.