An incompressible fluid flows steadily in the entrance region of a circular tube of radius R = 75 mm. The flow rate is Q = 0.1 m3/s. Find the uniform velocity U1 at the entrance. The velocity distribution at a section downstream is:

it is easily magnetized.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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