Fluid flows past the two-dimensional bar shown in Fig. P9.2. The pressures on the ends of the bar are as shown, and the average shear stress on the top and bottom of the bar is τavg. Assume that the drag due to pressure is equal to the drag due to viscous effects. (a) Determine τavg in terms of the dynamic pressure, ρU2/2. (b) Determine the drag coefficient for this object.
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