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Question

Derive relation between Linear momentum and kinetic energy.

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Solution

Sometimes it's describe to express the kinetic energy of a particl in terms of the momentum That's easy enough. Since v=p/m and the kinetic energy K=12mv2
K=12m(pm)2=p22m
Note that if a massive particle and a light particle have the same momentum, the light one will have a lot more kinetic energy if a light particle and a heavy one have the same velocity the heavy one has more kinetic energy.

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