Satellite A has mass M. Satellites A and B have circular orbits around a planet with distances of R and 2R, respectively. The gravitational force between the planet and satellite A is F. The mass of satellite B is 3M. In terms of F, what is the gravitational force between the planet and satellite B?
a. 3/4 F
b. 3/2 F
c. 2/3 F
d. 1/4 F
Answers: 1
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