How much elastic potential energy is stored if a 5kg object is suspended from a whose spring constant is 100N/m
force=kx
5kg*9.8N/kg=100N/m * x
x=you do it.
then, PE= 1/2 k x ^2
5kg*9.8N/kg=100N/m * x
x=you do it.
then, PE= 1/2 k x ^2