The density of copper metal is 8.92 g/cm³. Given that 1 foot (ft)= 12 inches (in.), 1 in. = 2.54 cm, and 1 pound (lb)= 453.6 g, what is the density of copper in lb/ft³? Hint: Remember that when converting derived units, you must convert each of the component fundamental units individually.

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Quizplus · Accepted Answer

To convert 8.92 g/cm³ to lb/ft³, first convert grams to pounds: 8.92 g/cm³ * (1 lb/453.6 g) = 0.01966 lb/cm³. Then convert cm³ to ft³: 0.01966 lb/cm³ * (2.54 cm/in)³ * (12 in/ft)³ = 557 lb/ft³.

The Density of Copper Metal Is 8