A solid sphere of mass M and radius R lies concentrically inside a spherical shell of mass M and radius 2R. A particleof mass M is placed at a distance 4R from the common centre as shown in the figure.The total potential energy of the system of masses is

A solid sphere of mass M and radius R lies concentrically inside a sph

1.	A solid sphere of mass M and radius R lies concentrically inside a spherical shell of mass M and radius 2R. A particleof mass M is placed at a distance 4R from the common centre as shown in the figure.The total potential energy of the system of masses is
Answer» `-(GM^(2))/(R )` `-(GM^(2))/(2R)` `-(37)/(20) (GM^(2))/(R )` `-(21)/(10) (GM^(2))/(R )` ANSWER :C