Задача id10718

Determine to what height the water will rise in a tube, one end of which is attached to the narrowed part of the pipe, and the other is lowered into the water (Fig.). Water flow in the pipe is Q = 0.025 m3/s, excess pressure p1 = 49•103 Pa, diameters d1 = 100 mm and d2 = 50 mm.

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