FIGURE 15-11 -Water Flows in the Horizontal Pipe Shown in Figure 15-11

question 73

Multiple Choice

FIGURE 15-11
-Water flows in the horizontal pipe shown in Figure 15-11. At A the diameter is 6.00 cm and at B the diameter is 5.00 cm. The fluid in the manometer is oil, which has a density of 800 kg/m³. The manometer reading h is 10.0 cm. What is the speed of the water at B?

• A) 0.195 m/s
• B) 1.55 m/s
• C) 1.74 m/s
• D) 8.70 m/s
• E) 11.4 m/s

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