A Roadway for Stunt Drivers Is Designed for Racecars Moving

question 25

Multiple Choice

A roadway for stunt drivers is designed for racecars moving at a speed of 40 m/s. A curved section of the roadway is a circular arc of 230 m radius. The roadway is banked so that a vehicle can go around the curve with the friction force from the road equal to zero. At what angle is the roadway banked?

• A) 35°
• B) 37°
• C) 33°
• D) 31°
• E) 29°

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