Energy required to move a body of mass $m$ from an orbit of radius $2R$ to $3R$ is (1) $\mathrm{GMm}/12\mathrm{R}^2$ (2) $\mathrm{GMm}/3\mathrm{R}^2$ (3) $\mathrm{GMm}/8\mathrm{R}$ (4) $\mathrm{GMm}/6\mathrm{R}$
Energy required to move a body of mass $m$ from an orbit of radius $2R$ to $3R$ is\\
(1) $\mathrm{GMm}/12\mathrm{R}^2$\\
(2) $\mathrm{GMm}/3\mathrm{R}^2$\\
(3) $\mathrm{GMm}/8\mathrm{R}$\\
(4) $\mathrm{GMm}/6\mathrm{R}$