The density inside a solid sphere of radius a is given by `rho=rho_0/r`, where `rho_0` is the density ast the surface and r denotes the distance from the centre. Find the graittional field due to this sphere at a distance 2a from its centre.

The density inside a solid sphere of radius a is given by rho=rho_0/r , where rho_0 is the density at the surface and r denotes the distance from the centre. Find the gravitational field due to this sphere at a distance 2a from its centre.

The density inside a solid sphere of radius a is given by rho=rho_(0)(1-r/a) , where rho_(0) is the density at the surface and r denotes the distance from the centre. Find the gravitational field due to this sphere at a distance 2a from its centre.

The density inside a solid sphere of radius r varies as rho (r ) = rho_(0) ((r )/(R ))^(beta), " where " rho_(0) and beta are constants and r is the distance from the centre. Let E_(1) and E_(2) be gravitational fields due to sphere at distance (R )/(2) and 2R from the centre of sphere. If (E_(2))/(E_(1)) =4 , teh value of beta is

Charge density of a sphere of radius R is rho = rho_0/r where r is distance from centre of sphere.Total charge of sphere will be

Charge density of a sphere of radius R is rho = rho_0/r where r is distance from centre of sphere.Total charge of sphere will be

A solid sphere of radius R has a mass distributed in its volume of mass density rho=rho_(0) r, where rho_(0) is constant and r is distance from centre. Then moment of inertia about its diameter is

Inside a uniform sphere of density rho there is a spherical cavity whose centre is at a distance l from the centre of the sphere. Find the strength of the gravitational field inside the cavity.