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Compared to the strength of Earth's gravity at its surface r = RE where RE is the radius of the Earth, how much weaker i

Posted: Wed Jun 08, 2022 12:53 pm
by answerhappygod
Compared to the strength of Earth's gravity at its surface r =
RE where RE is the radius of the Earth, how much weaker is gravity
at a distance of r = 15RE?
How much weaker is gravity at a distance of r = 40 RE?