2 A circular disc of radius of gyration 20 cm at rest is

Last updated: 6/9/2023

2 A circular disc of radius of gyration 20 cm at rest is dropped over another disc of same mass but double the radius of gyration rotating with 5 rad s If both the discs club together and rotate as one body about the same axis then the new combined angular speed of the discs is 1 1 rad s 3 3 rad s 2 2 rad s 4 4 rad s