The tip of a fan blade describes a circle of radius and completes revolutions every second

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

Problem

The tip of a fan blade describes a circle of radius

0.50\,\text{m}

and completes

4

revolutions every second. Calculate the magnitude of the centripetal acceleration of the tip. (a)

8.0\times10^{1}\,\text{m s}^{-2}

(b)

1.6\times10^{2}\,\text{m s}^{-2}

(c)

3.2\times10^{2}\,\text{m s}^{-2}

(d)

6.3\times10^{2}\,\text{m s}^{-2}