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  4. When the kinetic energy of a body is doubled, its momentum increases by ...... times.

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Q. When the kinetic energy of a body is doubled, its momentum increases by ...... times.

KEAMKEAM 2005

Solution:

$ p=\sqrt{2m{{E}_{k}}} $
If $ {{E}_{k}} $ is doubled then p increases by $ \sqrt{2} $ times.