The ratio of radii of gyration of a circular ring and a circular disc, of the same mass and radius about an axis passing through their centres and perpendicular to their planes are

Show that the radii of gyration of a circular ring and circular disc of the same radius about an axis passing through their centres and perpendicular to their plane are in the ratio sqrt(2) : 1 .

Calculate the ration of radii of gyration of circular ring and a disc of the same radius about the axis passing through their centres and perpendicular to their planes.

Calculate the ratio of radii of gyration of a circular ring and dise of the same radius with respect to the axis passing through their centres and perpendicular to their planes.

Radius of gyration of a ring of radius R about an axis passing through its centre and perpendicular to its plane is

What is the radius of gyration for (a) circular ring and (b) circular disc about an axis passing through the centre and perpendicular to their planes ?

Find the ratio of the radii of gyration of a circular disc and a circular ring of the same radii about a tangential axis in their planes.

A circular ring and circular disc of same radius have equal moments of inertia about axes through their centres and perpendicular to their planes. The ratio of their masses is