In a cylindrical vessel 1 under a piston of mass m = 5 kg there is a monatomic gas. Vessel 1 is connected by a tube equipped with a tap to the same vessel 2, in which the same gas is located under a piston of mass M = 10 kg. The vessels and tube are thermally insulated. In the initial position, valve K is closed, the gas temperature in both vessels is the same. The piston in vessel 2 is located at a height H = 10 cm from the bottom. By what distance dh will the piston move in vessel 1 after opening the tap? Neglect the volume of the tube with the tap, do not take into account atmospheric pressure (Fig. XI.).

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