A coin dealer offers to sell you an ancient nickel coin that is 3.1 cm..........

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Nortveonyqv

Science

Question Description

A coin dealer offers to sell you an ancient nickel coin that is 3.1 cm in diameter and 4.65 mm in thickness.

A) The density of nickel is 8.9 g/cm3. How much should the coin weigh if it is pure nickel? (in grams)

B) If nickel sells for $0.216 per troy ounce, how much is the nickel content worth? (1 troy ounce = 31.1 g)

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Explanation & Answer

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v=3.142*1.55*1.55*.465=3.5

mass=volume*density

mass=31.24 grams

b=$o.125

 

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Treirl O. (175)
New York University

Anonymous
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