Engineers Are Designing a Curved Section of a Highway

Multiple Choice

Engineers are designing a curved section of a highway.If the radius of curvature of the curve is at what angle should the curve be banked so that a car traveling at 29.0 m/s will stay on the road without the aid of frictional forces?

A) 23.9°
B) 16.7°
C) 21.0°
D) 26.1°