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Statement of a problem № 2647

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A piece of pure gold (r= 19.3 g/cm3) is suspected to have a hollow center. It has a mass of 38.25 g when measured in air and 36.22 g in water. What is the volume of the central hole in the gold?

Solution:
A piece of pure gold (r= 19.3 g/cm3) is suspected to have a hollow center. It ha

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