How to Calculate Power Required to Keep a Car Stationary on a Steep Hill?

[Mego0125]

Homework Statement

You are in a car that is on the top of a steep 500 meter high hill. You are stepping of the brakes so your car is not moving. How much energy per second( power) must be expended to keep the car stationary

Homework Equations

The Attempt at a Solution

 

[Simon Bridge]

Welcome to PF;
To get the best use out of these forums, you should show how you have attempted the problem already. That way we can figure out where you are going wrong to best target your specific needs.

Don't worry about looking stupid - everyone here has been through this already.