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Consider a horizontal pipe in which a viscous fluid is moving at a laminar flow. The...

Consider a horizontal pipe in which a viscous fluid is moving at a laminar flow. The pressure drop across a 0.2-cm ID pipe was measured at 18,000 Pa/m. The fluid has a rho= 1110 kg/m3 and mu= 0.03 kg/m-s. Determine the equation that defines the velocity profile vz(r).Then, calculate the velocity at the center of the pipe (vzat r = 0 in m/s).

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