(III) A curve of radius 78 m is banked for a design speed
Chapter 5, Problem 23P(choose chapter or problem)
Problem 23P(III) A curve of radius 78 m is banked for a design speed of 85 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely make the curve? [Hint: Consider the direction of the friction force when the car goes too slow or too fast.]
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