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A glass tube of circular cross section i...

A glass tube of circular cross section is closed at one end. This end is weighted and the tube floats vertically in water, heavy end down. How far below the water surface is the end of the tube? Given: outer radius of the tube is `0.14 cm`, mass of weighted tube is `0.2 g`, surface tension of water `73 dyn//cm` and `g = 980 cms^(-12)`.

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