A car runs on a circular test track of radius and makes complete revolutions in

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

A car runs on a circular test track of radius

40\,\text{m}

and makes

30

complete revolutions in

2\,\text{min}

. Determine its average speed in

\text{km/h}

. (a)

200\,\text{km/h}

(b)

226\,\text{km/h}

(c)

113\,\text{km/h}

(d)

452\,\text{km/h}