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Question: The kinetic energy loss is measured for a valve corresponding to three values of the flow rate, and the following values are obtained: q_V1 = 0.1 m₃ /s, U_d1 = 2100 W; q_V2 = 0.3 m₃ /s, U_d2 = 2800 W; q_V3 = 0.5 m3 /s, Ud3 = 3500 W. Determine a relationship between the liquid resistance of the valve Rl,p and the volume flow rate q.

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