Water Flows in the Horizontal Pipe Shown in the Figure

question 38

Multiple Choice

Water flows in the horizontal pipe shown in the figure. At point A the area is 25.0 cm² and the speed of the water is 2.00 m/s. At B the area is 16.0 cm². The fluid in the manometer is mercury, which has a density of 13,600 kg/m³. We can treat water as an ideal fluid having a density of 1000 kg/m³. What is the manometer reading h?

• A) 0.546 cm
• B) 1.31 cm
• C) 2.81 cm
• D) 2.16 cm
• E) 3.36 cm

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