Comments and Discussions You don't need to login to post your comment Comments: 30 Views: 60k Likes: 120k votes Umer ~ Pakistan 🌐 India Radius of a circle is 318m. So displacement of half a circle will be equal to diameter of circle and that is 2r. So 2r=2*318=636 Now dividing by total time Velocity will be 7.06m per s. Was this answer helpful? Submit