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Question
One can easily weigh the earth by calculating the mass of the earth by using the formula:
Options
`("GR"_"E"^2)/"g"`
`("gR"_"E"^2)/"G"`
`("gR"_"E")/"G"`
`("GR"_"E"^3)/"g"`
MCQ
Solution
`("gR"_"E"^2)/"G"`
Explanation:
F = `("GM"_"E""m")/("R"_"E"^2)`
mg = `("GM"_"E""m")/("R"_"E"^2)`
g = `("GM"_"E")/("R"_"E"^2)`
ME = `("gR"_"E"^2)/"G"`
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