If mass of the earth is `M`, radius is `R`, and gravitational constant is `G`, then workdone to take `1kg` mass from earth surface to infinity will be

If mass of earth is M ,radius is R and gravitational constant is G,then work done to take 1kg mass from earth surface to infinity will be (A) sqrt((GM)/(2R)) (B) (GM)/(R)] (C) sqrt((2GM)/(R))]

If the mass of the earth is M, its radius is R and gravitational constant G, then the speed required to be given to a projectile so that it does not return to earth is

If the mass of earth is M, radius R and G is universal gravitational constant then the workdone against gravity to move a body of mass 1 kg from the surface of earth to infinity will be

If M be the mass of the earth, R its radius (assumed spherical) and G gravitational constant, then the amount of work that must be done on a body of mass m, so that it completely escapes from the gravity of the earth of the earth is given by