A two-lane highway curve is banked at the same angle for both lanes

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A two-lane highway curve is banked at the same angle for both lanes. The inner lane has a radius of

200\,\text{m}

, and the outer lane has a radius of

220\,\text{m}

. Assuming the pavement is frictionless, what is the ratio of the design speed for the outer lane to that for the inner lane? (a)

1.10

(b)

1.00

(c)

1.05

(d)

0.95