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categoryهندسة ميكانيكية schoolبكالوريوس event_available2026-07-13

السؤال

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a) Water flows at a uniform velocity of 3 m/s into a nozzle that reduces the diameter from 10 to 2 cm. Calculate the water's velocity leaving the nozzle and the flow rate Q. Assume constant density and uniform velocity distributions. b) What if the velocity in section 1 is parabolic with an equation: m/s V₁ = 6(1-2)m/s R² where r is the radial distance from the center of the tube and R is the tube radius, i.e., 5cm. 10 cm dia. C.S. 2 cm dia. 2 V2 (c) 2002 Wedsworth Group/Thomson Leaming

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