Gold, which has a density of 19.32 g/cm3, 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 6.962 g, is pressed into a leaf of 4.515 μm thickness, what is the area of the leaf? (b) if, instead, the gold is drawn out into a cylindrical fiber of radius 2.800 μm, what is the length of the fiber?
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