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a planet and a moon gravitionally attract each other.?
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07-19-2008, 10:22 AM
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 a planet and a moon gravitionally attract each other.?
rank gravitational attractions between them from greatest to least. 1. planet, M, is distance d from moon, M. 2. planet, M, is distance 2d from moon, M. 3. planet, 2M, is distance d from moon, M. 4. planet, M, is distance 2d from moon, 2M.      |
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