Question

if the speed of a body is halved,what will be the change in its kinetic energy?
​please answer

Answer 1

Answer is

K/K' = v*2/ (v/2)*2

K/K' = 4

K' = K/4

Kinetic energy becomes one fourth.

I hope it helps

Answer 2

Hey siso Ru there ??

wat's ur exam 2morrow ??