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Physics · 2022

JEE Main · 28 June 2022, Shift 1 · Q56

A man of 60 kg is running on the road and suddenly jumps into a stationary trolly car of mass 120 kg. Then, the trolly car starts moving with…

A man of $\displaystyle 60$ kg is running on the road and suddenly jumps into a stationary trolly car of mass $\displaystyle 120$ kg . Then, the trolly car starts moving with velocity $\displaystyle 2 \mathrm{~ms}^{-1}$. The velocity of the running man was \_\_\_\_ $\displaystyle \mathrm{ms}^{-1}$, when he jumps into the car.
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.