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NEET 2004 (AIPMT) · Kinetic Energy & Momentum

Kinetic Energy & Momentum question from NEET 2004 (AIPMT)

Q17NEET 2004 · AIPMTEasy

Kinetic Energy & Momentum

A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m1 > m2 then:

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Answer: (a)

$E = \frac{p^2}{2m}$ ; for equal $p$ , $E \propto \frac{1}{m}$ .
$m_1 > m_2 \Rightarrow E_1 < E_2$ , so the answer is (a).

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