Posted by Sasha on Tuesday, February 2, 2010 at 12:02pm.
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 77.0 m and the coefficient of friction is 0.36?

Physics  drwls, Tuesday, February 2, 2010 at 12:08pm
For a flat track, equate the maximum friction force to the required centripetal force.
0.36 M g = M V^2/R
The M's cancel. Solve for V
The friction coefficient you are using is the static one, since the tires (although rolling) are not skidding.

Physics  ken, Monday, December 14, 2015 at 5:31pm
5.3
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