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Part A Wind flows along the side of the rectangular sign. The air is at a temperature of 60°F and has a free-stream velocity of U = 5.5 ft/s.p=0.00237 slug/fts and V = 0.158(10-3) ft/s. (Figure 1) Determine the friction drag on the front surface of the sign. Express your answer to three significant figures and include the appropriate units. μΑ ? FD = Value Units Submit Request Answer Provide Feedback Figure < 1 of 1 -12 ft U 6 ft