Ratio of densities of materials of two circular discs of same mass and thickness `5:6` the ratio of their `M.I.` about natural axes is

Ratio of densities of materials of two circular discs of same mass and thickness is 6:5. The ratio of their M.I about natural axes is (A) 5:6 (B) 6:5 (C) 25:36 (D) 1:1

The moment of inertia of a circular disc of mass M and radius R about an axis passing thrugh the center of mass is I_(0) . The moment of inertia of another circular disc of same mass and thickness but half the density about the same axis is

The ratio of moments of inertia of two solid spheres of same mass but densities in the ratio 1:8 is

The base radii of two right circular cones of the same height are in the ratio 5:5. Find the ratio of their volumes.

Calculate the moment of inertia of a circular disc of radius 10 cm , thickness 5 mm and uniform density 8 g cm^(-3) , about a transverse axis through the centre of the disc.

The base radii of two right circular cones of the same height are in the ratio 3:5. Find the ratio of their volumes.

Two discs A and B have same mass and same thickness. If d_1 and d_2 are the densities of the materials of the discs A and B respectively, then the ratio of the moment of inertia of the discs A and B about their geometrical axis is

A circular disc is rotating without friction about its natural axis with an angular velocity omega . Another circular disc of same material and thickness but half the raduis is gently placed over it coaxially. The angular velocity of composite disc will be

Two discs cone of density 7200 kg//m^(3) and another of density 9000km//m^(3) have the same mass and thickness. What is the ratio of their moments of inertia?