ABC is a part of ring having radius `R_(2)` and ADC is a part of disc having inner radius `R_(1)` and outer `R_(2)`. Part ABC and ADC have same mass. Then center of mass will be located, from the centre.

From a uniform circular disc of mass M and radius R a small circular disc of radius R/2 is removed in such a way that both have a common tangent. Find the distance of centre of mass of remaining part from the centre of original disc.

From a uniform circular disc of mass M and radius R a small circular disc of radius R/2 is removed in such a way that both have a common tangent. Find the distance of centre of mass of remaining part from the centre of original disc.

A point charge Q is located at the centre of a hollow spherical conductor having inner radius as R_(1) and outer radius R_(2) . The conductor being uncharged initially. The potential at the inner surface will be

A point charge Q is located at the centre of a hollow spherical conductor having inner radius as R_(1) and outer radius R_(2) . The conductor being uncharged initially. The potential at the inner surface will be

A metal spherical shell has an inner radius R_(1) and outer radius R_(2) . A charge Q is placed at the center of the spherical cavity. What will be surface charge density on (i) the inner surface, and (ii) the outer surface ?

A metal spherical shell has an inner radius R_(1) and outer radius R_(2) . A charge Q is placed at the center of the spherical cavity. What will be surface charge density on (i) the inner surface, and (ii) the outer surface ?

The moment of inertia of a flat annular ring having mass M, inner radius a and outer radius b about the diametric axis through the centre is

The moment of inertia of a flat angular ring is having mass M , inner radius a and outer radius b about the perpendicular axis through the centre is