Task id12659

Task id12659

A vertical pipe with a piston is fixed in the reservoir in such a way that its lower end is immersed in water. The piston, which initially lay on the surface of the water, is slowly raised to a height of H = 15 m (Fig. 30). How much work had to be spent on this if the piston area S = 1 dm2, atmospheric pressure P = 1 atm? Neglect the weight of the piston.

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