Fluid flows past the two-dimensional bar shown in Fig. P9.2.The pressures on the ends of

Chapter 9, Problem 9.2

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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 averageshear stress on the top and bottom of the bar is avg. Assumethat the drag due to pressure is equal to the drag due to viscouseffects. (a) Determine avg in terms of the dynamic pressure, U2/2.(b) Determine the drag coefficient for this object.

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