Two satellites A and B of the same mass are orbiting the earth at altitudes R and 3R, respectively, where R is the radius of the earth. Let their orbits are circular K and U represent kinetic and potential energies, respectively.

Q: Two satellites A and B of the same mass are orbiting the earth at altitudes R and 3R, respectively, where R is the radius of the earth. Let their orbits are circular K and U represent kinetic and potential energies, respectively. Choose the correct option(s).

(a) $\frac{K_A}{K_B} = 2 $

(b) $\frac{U_A}{U_B} = 2 $

(c) $\frac{K_A}{K_B} = \frac{1}{2} $

(d) $\frac{U_A}{U_B} = \frac{1}{2} $

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Ans: (a) , (b)