A stone tied to a string is whirled in a horizontal circle of radius

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

0.40\,\text{m}

. It completes one revolution in

2.0\,\text{s}

. Calculate its speed. (a)

2.5\,\text{m/s}

(b)

1.3\,\text{m/s}

(c)

0.63\,\text{m/s}

(d)

3.1\,\text{m/s}