- #1

Samurai44

- 57

- 0

## Homework Statement

Can I get help in part (b) of this question ?

## Homework Equations

KE=1/2 m v

^{2}

v= (2π f )√(A

^{2}- x

^{2})

## The Attempt at a Solution

I substituted the second equation into first one, so i got

KE= 1/2 m (2π f )

^{2 }(A

^{2}- x

^{2})

but then couldn't complete