Question

If momentum of a body is doubled, what is the effect on kinectic energy of body?

Answer 1

Answer:

double

Explanation:

Answer 2

Explanation:

momentum is doubled then the new velocity will be,

2mv = mv*

SO,

v* = 2v

KE(initial) = ½mv²

new KE= ½mv*²

= ½m(2v)²

= ½m4v²

new KE = 4 KE (initial)