Homework Help: Physics

Posted by Jennifer on Saturday, October 3, 2009 at 8:10pm.

What is the maximum speed with which a 1070 kg car can round a turn of radius 80 m on a flat road if the coefficient of static friction between tires and road is 0.80?

Physics - MathMate, Saturday, October 3, 2009 at 9:35pm
Matching the centrifugal force with the frictional resistance,
μmg = mv²/r
solving for v,
v=√(μgr)
=25 m/s
This is assuming that there is no superelevation built into the bend.

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