Maximum speed of a car in a circular flat track (involves static friction)

[kalisious]

Homework Statement

In a circular flat track of radius 50m, what is the maximum speed car can go without sliding? Assume the coefficient of static friction between the car tire and the road is 0.4.

Homework Equations

Unsure of what equations to use.

The Attempt at a Solution

Unsure of what equations to use to attempt solution.

 

[Delphi51]

What forces are involved? Write down the appropriate force formulas as a start.