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NEET 1997 (AIPMT) · Kinetic Energy & Momentum

Kinetic Energy & Momentum question from NEET 1997 (AIPMT)

Q19NEET 1997 · AIPMTEasy

Kinetic Energy & Momentum

Two bodies of masses $m$ and $4m$ are moving with equal kinetic energies. The ratio of their linear momenta is

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Answer: (a)

Equal KE: $p \propto \sqrt{m}$ .
$\frac{p_1}{p_2} = \sqrt{\frac{m}{4m}} = \frac{1}{2}$
So the answer is (a) $1 : 2$ .

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