69 A point mass m collides with a disc of mass m and radius

Last updated: 6/9/2023

69 A point mass m collides with a disc of mass m and radius R resting on a rough horizontal surface as m shown Its collision is perfectly elastic 777 Find angular velocity of the disc after pure rolling starts 2u 3u a b 3R 2R c 5u 50 2R Disc 2u d 20 5R m R Rough