Question

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

• A. n times
• B. 2n times
• C. 3n
• D.

Answer 1

The correct option is D

$E=\frac{P^2}{2m}\therefore E\infty P^2$

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