A piston with a diameter D moves uniformly downward in

A piston with a diameter D moves uniformly downward in the cylinder, supplying liquid Ж to an open reservoir with a constant level (Fig. 9). the diameter of the pipeline is d, its length l. When the piston is below the liquid level in the tank at H = 5m, the force required to move it is F. Determine the piston speed and fluid flow in the pipeline. Build pressure and piezometric lines for the pipeline. The coefficient of hydraulic friction of the pipe is λ = 0.03. The coefficient of resistance of the entrance to the pipe ζin = 0.5. The coefficient of resistance to exit to the tank ζout = 1.0.
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