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

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

Problem

0.80\,\text{m}

, completing one revolution in

0.50\,\text{s}

. What is the speed of the stone? (a)

5.0\,\text{m/s}

(b)

1.6\,\text{m/s}

(c)

10.1\,\text{m/s}

(d)

20.1\,\text{m/s}