A ball attached to a string moves uniformly in a horizontal circle of radius

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

Problem

0.50\,\text{m}

, completing

2

revolutions every second. What is its speed? (a)

12.6\,\text{m/s}

(b)

25.1\,\text{m/s}

(c)

6.3\,\text{m/s}

(d)

3.1\,\text{m/s}