Q19 A thin uniform circular disc of mass M and radius R is

Last updated: 6/25/2023

Q19 A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to the plane with angular velocity D Another disc of same mass but half the radius is gently placed over it coaxially The angular speed of the composite disc will be a 5 4w b 4 5w c 2 5w d 5 2w O A O B O C O D O Other 1 po