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1. |
The Reynolds number for a fluid with density d, free-stream velocity V, viscosity u at a distance x from the leading edge is_____ |
A. | R = \(\frac {Vd}{ux}\) |
B. | R = \(\frac {xVd}{u}\) |
C. | R = \(\frac {Vx}{dx}\) |
D. | R = \(\frac {xdu}{V}\) |
Answer» C. R = \(\frac {Vx}{dx}\) | |