Determine the Minimum Angle at Which a Roadbed Should Be

Multiple Choice

Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20.0 m/s can safely negotiate the curve if the radius of the curve is 2.00 × 10² m.

A) 0.200°
B) 0.581°
C) 11.5°
D) 19.6°
E) 78.2°