c 81 A disc revolves with a speed 33 rev min and ha a radius

Last updated: 6/8/2023

c 81 A disc revolves with a speed 33 rev min and ha a radius of 15 cm Two coins A and B are placed a 4 cm and 14 cm away from the centre of the dise If the coefficient of friction between the coins and the disc is 0 15 which of the coins will revolve with the record a A c Both A and B b B d Neither A nor B