Asked by B

A geologist finds that a Moon rock whose mass is 9.97 kg has an apparent mass of 6.40 kg when submerged in water. What is the density of the rock?
Answered by drwls
The mass of an equivalent volume of water would be 9.97-6.40 = 3.57 kg

Divide 9.97 by 3.57 for the specific gravity: 2.793

The density is 2.793 x (density of water) = 2.793 g/cm^3 = 2793 kg/m^3
Answered by B
thank you very much
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