- #1

JustinLiang

- 81

- 0

## Homework Statement

Since the total energy in a spring is

(1/2)kA^2

Can we rearrange this...

given k=F/x

(1/2)(FA^2/x)

Since x is also the amplitude, we have:

(1/2)(FA)

(1/2)(mgA)

I am pretty sure this is wrong, but why?

Thanks