Question

If the momentum is increased by 20 percent then k.E increases by

Answer 1

Answer:

KE=p²/2m

ans : 44%

Explanation:

Here I'm assuming that mass is constant.

U may be knowing that KE=p²/2m

Now we know that p' = 1.2p

Clearly KE' = 1.44KE

The change is equal to 44%