What is the average density of the earth? The earth has a mass of 5.98x10²⁴ kg. The average diameter of the earth is 1.27x10⁷m. Assume the earth is a sphere. Compare this density to the density of water.

Answer 1

densityEarth=MassEarth/volumeEarth=5.98e24kg/((4/3)*PI*(diameter/2)^3

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5.98e24/((4/3)*PI*(1.27e7/2)^3)=

Answer 2

Density = M/V. in kg/m^3.
M = 5.98*10^24 kg.
V = (4/3)pi * r^3 = (4/3) * 3.14 * (6.35*10^6)^3 = 1.07*10^21.