How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 95 at a speed of 95 ?

Question

How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 95  at a speed of 95 ? 
Express your answer using two significant figures.

bobpursley · Answer

forcefriction=forcecentripetal mu*mg=mv^2/r change velocity and radius to SI units.

Eden · Answer

ok... but I don't have the mass...

duh · Answer

the mass cancel each other out.