Задача id12909

The ballast tank of a submarine with a volume of V=5000 l is filled with water. To discharge ballast, air is supplied to the upper part of the tank from the compressor and water flows out through a pipe with a cross-section of S = 100 cm2, located in the lower part of the tank. What should be the power of the compressor so that a boat at a depth of H = 100 m can be completely free of ballast in time t = 50 sec?

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