Water (density = 1.0 x 10° kg/m³) flows through a horizontal tapered pipe. At the wide end its speed is 4.0 m/s. The difference in pressure between the two ends is 4.5 x 103 Pa. The speed of the water at the narrow end is: O 2.6 m/s 3.2 m/s 4.0 m/s 4.5 m/s O 5.0 m/s
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