Air at 20C and 1 atm flows past a long flat plate, at the end of which is placed a narrow scoop, as shown in Fig. P7.37
(a) Estimate the height h of the scoop if it is to extract 4 kg/s per meter of width into the paper,
(b) Find the drag on the plate up to the inlet of the scoop, per meter of width.

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30 m/s h? 6 m