Question

when a long spring is stretched by xcm, it's P.E us U if the spring is stretched by Nx cm then P.E stored in it will be​

Answer 1

Answer:

zero because kinetic energy is in use

please like and follow

Answer 2

use the given formula:

U = 1/2 kx^2 and then

U' = 1/2 K(Nx)^2

Then you will get the answer as

N^2U ( N square into U)

HOPE THIS WILL HELP YOU!!