Use a stopping criterion of an approximate error less than 5%. air at 25°c and 1 atm flows through a 4mm diameter tube w

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answerhappygod
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Use a stopping criterion of an approximate error less than 5%. air at 25°c and 1 atm flows through a 4mm diameter tube w

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Use a stopping criterion of an approximate error less than 5%.
air at 25°c and 1 atm flows through a 4mm diameter tube with an average velocity of 25 km/s. The roughness is e = 0.0015 mm. Determine the pressure drop in a 1 m section of the tube. density of air at 25° C and 1 atm is 1.23 kg/m^3 and viscosity is 1.79 x 10-5 kg/m-s.
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