if the momentum of body is p then its kinetic energy is k1 . if the momentum of body is 7p/4 then its new kinetic energy is k2. find the ratio of k1/k2
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Momentum is directly proportional to velocity. If momentum of an object is doubled , but its mass does not increase (so velocity remains below the speed of light) then its velocity is doubled. If the velocity is doubled, then the kinetic energy increases by four times.
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