An engineer is designing a horizontal, rectangular conduit that will be part of a system that allows fish to bypass a dam. Inside the conduit, a flow of water at 40°F will be divided into two streams by a flat, rectangular metal plate. Calculate the viscous drag force on this plate, assuming boundary layer flow with free-stream velocity of 12 ft /s and plate dimensions of L = 5 ft and W = 4.5 ft.

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Water L-