Question

What happened to the kinetic energy when the velocity of moving body is doubled

Answer 1

Answer:

Hey dear.... Here's the answer to ur qstn..

K=1/2mv²

If v'=2v then,

K'=1/2m (2v)²

=1/2m4v²

=4(1/2mv²)

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. . Kinetic energy increases by 4 times.