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Wire and Cork System

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Determine the mass of wire having a relative density of 8.77 which must be wrapped around a cork weighing 15 g in order that the cork shall just sink in fresh water. The cork's relative density=0.24.

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In order for the cork/wire combination to just sink in fresh water the density of the cork/wire combination needs to be equal to 1.00 (the density of fresh water).
The volume of the cork is equal to 15 / 0.24 = ...

Solution Summary

This solution looks at the mass and density of a wire and cork system.