A U-tube open at both ends is partially lled with water
Chapter 9, Problem 9.80(choose chapter or problem)
A U-tube open at both ends is partially lled with water (Fig. P9.80a). Oil ( 750 kg/m3) is then poured into the right arm and forms a column L 5.00 cm high (Fig. P9.80b). (a) Determine the difference h in the heights of the two liquid surfaces. (b) The right arm is then shielded from any air motion while air is blown across the top of the left arm until the surfaces of the two liquids are at the same height (Fig. 9.80c). Determine the speed of the air being blown across the left arm. Assume that the density of air is 1.29 kg/m3.
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