Equations:

1. Of the satellites shown revolving around the planet in the accompanying diagram, the one with the greatest speed is. a) 1. b) 2. c) 3. d) 4. e) 5. 2. Two planets, which we label A and B, orbit a star of mass M. Planets A and B have masses mA and mB respectively, and travel in circular orbits of radii rA and rB, respectively, about the star, with orbital speeds vA and vB, (again) respectively. ................
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