If momentum of a body is increased n times, its kinetic energy increases

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5.Work, Energy, Power and Collision

easy

If the momentum of a body is increased $n$ times, its kinetic energy increases

A

$n$ times

B

$2n$ times

C

$\sqrt n $times

D

${n^2}$ times

Solution

(d)$E = \frac{{{P^2}}}{{2m}}$

$E \propto {P^2}$

i.e. if $P$ is increased $n$ times then $E$ will increase $n^2$ times.

Standard 11

Physics

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