AP EAMCET Medical 24 Apr 2019 Shift 1 Paper

A wheel of radius 'r' rolls without slipping with a speed ‘v’ on a horizontal road. When it is at a point ‘A' on the road a small bob of the mud separates from wheel at the highest point and touches the point *B‘ on the road as shown in the frame. Then AB is
(g - acceleration due to gravity)