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.

If R is the radius of the Earth and g is the acceleration due to gravi

1.	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.
Answer» R `(R)/(4)` 2R `(R)/(2)` ANSWER :D