General Equations

Gravitational potential energy:

$Ep=mgh$

Kinetic energy:

$E_{k}=\frac12mv^2$

Elastic potential energy:

$E_{p}=\frac12kx^2$

Centripetal force:

$F_{C}=\frac{mv^2}{r}$

Centripetal acceleration:

$a_{c}=\frac{v^2}{r}$

Momentum:

$p=mv$

Impulse(change in momentum):