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Partially Inelastic Collision

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Question

Find the momentum of a body of mass $100 g r a m s$ having a kinetic energy of $20 j o u l e s (J)$ .

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Solution

Given : $m = 100 g m = 0.1 k g$
Kinetic energy $K = 20 J$
Momentum $P = \sqrt{2 m K}$
$⟹ P = \sqrt{2 \times 0.1 \times 20} = 2 k g m / s$

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