18 A horizontal disc of mass 1 0 kg mounted on a fixed

Last updated: 6/30/2023

18 A horizontal disc of mass 1 0 kg mounted on a fixed vertical axle through its centre can rotate without friction On the disc a semicircular groove OP is cut A small ball B of mass 1 5 kg when pushed on the disc towards the centre O the ball enters the groove with a speed 2 0 m s and moves through the groove without friction With what speed will the ball leave the disc Neglect loss of mass due to cutting the groove Va 1 0 m s c 3 0 m s b 1 5 m s d Insufficient information O B P