A hammer attached to a wire of length is whirled in a horizontal circle

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

Problem

A hammer attached to a wire of length

2.0\,\text{m}

is whirled in a horizontal circle, completing

45

revolutions in

30\,\text{s}

. (i) Calculate the speed of the hammer. (ii) How much additional time will it take, at the same speed, to cover an extra distance of

100\,\text{m}

along the circular path?