#
Please solve this question

Chapter motion

**Solution :**

Radius = 50 cm = 0.5 m

time = 4 min = 240 s

Average speed = total distance travelled/ total time taken

$Avgspeed=\frac{2\pi r}{t}=0.01m/s\phantom{\rule{0ex}{0ex}}Avgvelocity=displacement/totaltimetaken=0\phantom{\rule{0ex}{0ex}}Asinitialandfinalpointsaresame.$

**
**