# Question #8ce1c

##### 1 Answer

Jan 20, 2018

see the explanation zone please

#### Explanation:

Going half the circle means new position is just to the diametrically opposite point to that of the initial point.

So,displacement = diameter of the circle = 2* radius =

Now, average velocity = total displacement/total time =

Now, distance covered in this time = half the perimeter of the circle i.e

So, average speed = total distance covered/total time =