As shown below AB represents an infinite wall tangential to

Last updated: 6/10/2023

As shown below AB represents an infinite wall tangential to a horizontal semi circular track O is a point source of light on the ground at the center of the circle A block moves along t circular track with a speed v starting from the point where the wall touches the circle If the velocity and acceleration of shadow along the length of the wall is respectively and a therm B A V P COS B V sec see tan C n