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Question

Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling velocity ?


Solution

 

If the mass of a body is doubled, its kinetic also gets doubled and if the mass of a body is halved, its kinetic energy also gets halved..

If the velocity of a body is doubled, its kinetic energy becomes four times and if the velocity of a body is halved, then its kinetic energy becomes one- fourth..

It is obivious that doubling the velocity has a greater effect on the kinetic energy of a body than doubling its mass..

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