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A curve of radius 72m is banked for a design speed of 125km/h . If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely handle the curve? Express your answers using two significant figures. Enter your answers numerically separated by a comma.

Explanation / Answer

Set frictional force umg equal to centriptal force mv^2/r solve for v:

We find a min speed of 0 km/hr and a max speed of 55.76 km/hr.

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