A tube is connected to a closed cylindrical vessel with a diameter of D = 2 m and a height of H = 3 m, its lower open end immersed under the water level in tank A. The vessel is installed at a height of h0 = 2 m above the water level in the tank and is filled with water to a height of h = 2 m through an open tap 1 with a closed tap 2 (pressure above water is equal to atmospheric rat = 98 kPa). When opening the valve 2 and simultaneously closing the valve 1, part of the water is drained from the vessel into the tank A.
1. Determine the air pressure, which will be established in this case in the vessel.
2. Calculate the volume W of water flowing out of the vessel.
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