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Statement of a problem № 3567

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Water is conveyed through a tube 8 cm in diameter and 4 km in length at the rate of 120 l/min. Calculate the pressure required to maintain the flow. Coeffi- cient of viscosity of water, S = 0.001 SI units. 1 atm = 1.013x10^5 Pa.

Solution:
Water is conveyed through a tube 8 cm in diameter and 4 km in length at the rate

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