(Ill) A curve of radius 68 m is banked for a design speed
Chapter 5, Problem 5.59(choose chapter or problem)
(Ill) A curve of radius 68 m is banked for a design speed of85 km/h. If the coefficient of static friction is 0.30 (wet pavement),at what range of speeds can a car safely make thecurve? [Hint: Consider the direction of the friction forcewhen the car goes too slow or too fast.]
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