If the momentum of a body is doubled, then its kinetic energy will increase by
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Kinetic energy of a body of given mass, is directly proportiional to its square of its velocity. When momentum is doubled, mass remaining constant, this means velcity is doubled. Hence, kinetic energy becomes 22=4 times i.e. say from 100 units to 400 units. and percentage increase in kinetic energy is 400−100=300% .
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if momentum of an object is doubled ,but its mass doesnot increase so velocity is doubled .if the velocity is doubled ,then the kinetic energy increase by 4 times.
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