At What Angle Should the Roadway on a Curve with a 50m

question 12

Multiple Choice

At what angle should the roadway on a curve with a 50m radius be banked to allow cars to negotiate the curve at 12 m/s even if the roadway is icy (and the frictional force is zero) ?

• A) 0
• B) 16°
• C) 18°
• D) 35°
• E) 73°

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