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If R is the radius of the Earth and g is...

If R is the radius of the Earth and g is the acceleration due to gravity on the Earth's surface. Find the mean density of the Earth.

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Acceleration due to gravity `g = (GM)/(R^(2))`
Mass of the Earth `M = 4/3 piR^(3)rho`
`rho = (3g)/(4piRG)`
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