A residential street includes a frictionless banked turn of radius

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

Problem

120\,\text{m}

. For what banking angle should the turn be engineered so that drivers traveling at

25\,\text{m}\!\cdot\!\text{s}^{-1}

can negotiate the curve without relying on tire friction? (a)

32^{\circ}

(b)

62^{\circ}

(c)

28^{\circ}

(d)

15^{\circ}