A spherical shell of mass 50kg and radius 50m. A mass of 15kg is kept at center. Find value of gravitational potential at a distance 25m from center.

A shell has mass 100 kg and radius 50m. A point mass 50 kg is placed at center of shell. Find potential at a pont 25m from center of shell.

A particle of mass M is placed at the centre of a spherical shell of same mass and radius a. What will be the magnitude of the gravitational potential at a point situated at a/2 distance from the centre ?

A mass of 50 kg is placed at the centre of a uniform spherical shell of mass 100 kg and radius 50 m. If the gravitational potential at a point, 25 m from the centre is V kg/m. The value of V is:

A particle of mass M is placed at the centre of a uniform spherical shell of equal mass and radius a. Find the gravitational potential at a point P at a distance a/2 from the centre.

A particle of mass 1 kg is kept on the surface of a uniform thin spherical shell of mass 20 kg and radius 1 m. Find the work to be done against the gravitational force between them to take the particle away from the thin spherical shell.

A particle of mass M is situated at the centre of a spherical shell of same mass and radius 'a'. The gravitational potential at a point situated at (a)/(2) distance from the centre, will be

For a given uniform spherical shell of mass M and radius R find gravitational field at a distancer r from centre in following two cases (a) r ge R (b) r lt R .

A particle of mass 1 kg is kept on the surface of a uniform sphere of mass 20 kg and radius 1.0 m . Find the work to be done against the gravitational force between them to take the particle away from the sphere.

A shell of mass M and radius R has point mass m placed at a distance r from its centre. The gravitational potential energy U(r) vs r will be

The M.I. of a wheel of mass 8 kg and radius of gyration 25 cm is