Let us go back to the infancy of the field of geology; our task is to find a way to approximate the mass of the earth. Let us assume that the earth is a sphere of homogeneous and uniform mass density. We may assume, for example, that the density at r meters from its center is given by

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Spencer Horn

1 January, 08:16

+4

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Janiyah Weaver · Answer 1

Step-by-step explanation:

Density D=M/V

where Volume of earth = (4/3) pi r^3

therefore density D=M / (4/3) pi r^3

r = 3√3m/4piD