Finding total energy from the top of a hill on a rollercoster?

[gigglesnicole]

Homework Statement

A rollercoaster cart
mass = 55kg
velocity = 5m/s
height = 5m
what is the total energy that the cart has at this position?

Homework Equations

would s=d/t be relevant?

The Attempt at a Solution

already calculated
gravitational potential energy: GPE = m*g*h = 2695
kinetic energy: KE = 1/2*m*v^2 = 687.5

 

[irycio]

You have potential (gravitational, if you will) energy, kinetic energy. I suppose you are not expected to calculate anything more.