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This is a very difficult question which explores the relationship between the acceleration of gravity, the distance from a planet's center and the mass of the planet. As demonstrated by the equation in the Formula Frenzy section, the acceleration of gravity is dependent upon the Mplanet / d2 ratio. You will need to find this ratio for locations A and B. Take your time and write down the results. If one of the locations is a distance R above the planet's surface, then the separation distance (d) is 2•R. Once you have found this important ratio for both locations, you will be ready to answer the question.
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