Homework Statement
A 915kg car goes over a hill. If the radius of this curve is 43m, how fast must the car travel so that it exerts no force on the road at the crest.
Homework Equations
Fc = mv^2/r
Fg = mg
The Attempt at a Solution
Fc = Fn+Fg
Fn=Fg
Fg=mg
=(915)(9.81)...