Anonymous
Anonymous asked in Science & MathematicsEarth Sciences & Geology · 1 month ago

average total density: 1.58 g/cm3, specific gravity of the lunar soil of 3.1, calculate the soil’s unit weight (SI units) and porosity.?

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  • 1 month ago

    Specific gravity is the density relative to that of water, which is approximately 1. So SG is approx the same as density, which is not true here. So there is something wrong there.

    Unit weight is the weight of 1 unit of mass, which is 1 cm³ in this case, so unit mass is 1.58 grams.

    if this is on earth, the unit weight is 9.8 N/g x 1.58 g.

    if this is on the moon, the unit weight is 1.62 N/g x 1.58 g.

    porosity, no way to calculate given this info.

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