Question

if the kinetic energy of a given body is increased by 2% then its linear momentum is increased by​

Answer 1

Answer:

Correct option is

B

44

We have,

K.E.=2mP2

ΔK.E. = 2mPf2 -2mPi2

=2m(56P)2-2mP2

=50m36P2−25P2

=50m11P2

Now,

 % Change = KEiΔKE

=2mP250m11P2×100

=2511×100

=44%