Physics

Problem

A solid cube of mass

3.0\,\text{kg}

and volume

3.8\times10^{-4}\,\text{m}^3

is suspended at rest in freshwater by a light vertical string. What is the reading, in newtons, on the spring scale attached to the top end of the string? (Density of freshwater

=1000\,\text{kg}\!\cdot\!\text{m}^{-3}

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