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Gold, which has a density of \( 19.32 \mathrm{~g} / \mathrm{cm}^{3} \), is the most ductile metal ...
Gold, which has a density of \( 19.32 \mathrm{~g} / \mathrm{cm}^{3} \), is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of \( 8.222 \mathrm{~g} \), is pressed into a leaf of \( 1.374 \mu \mathrm{m} \) thickness, what is the area of the leaf? (b) If, instead, the gold is drawn out into a cylindrical fiber of radius \( 2.500 \mu \mathrm{m} \), what is the length of the fiber? (a) Number Units (b) Number Units