Ann is sitting on the edge of a carousel that has a radius

Last updated: 6/13/2023

Ann is sitting on the edge of a carousel that has a radius of 6 m and is rotating steadily Bob is standing still on the ground at a point that is 12 m from the centre of the carousel At a particular instant Bob observes Ann moving directly towards him with a speed of 1 ms 1 With what speed does Ann observe Bob to be moving at that same moment