Circular Freeway Entrance and Exit Ramps Are Commonly Banked to Handle

question 68

Multiple Choice

Circular freeway entrance and exit ramps are commonly banked to handle a car moving at 13 m/s. To design a similar ramp for 26 m/s one should:

• A) increase radius by factor of 2
• B) decrease radius by factor of 2
• C) increase radius by factor of 4
• D) decrease radius by factor of 4

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