Two identical balls are whirled in horizontal circles

PHYSICS · Subjective · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Two identical balls are whirled in horizontal circles. Ball A is attached to a string of length

0.50\,\text{m}

and Ball B to a string of length

1.00\,\text{m}

. Each ball completes one revolution in

2.0\,\text{s}

. Which ball has the greater speed? Give a brief reason.