Задача id10608

Determine the average thickness ?tl of salt deposits in a sealed water pipeline with an internal diameter d = 0.3 m and a length l = 2 km (Fig.). When water is released in an amount of dW = 0.05 m3, the pressure in the water pipeline drops by the amount dр = 1•106 Pa. The deposits are distributed evenly along the diameter and length of the water pipeline.

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