FIGURE 13-6
-Water flows in the horizontal pipe shown in Fig. 13-6. At 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. What is the manometer reading h?

Question

FIGURE 13-6 FIGURE 13-6 -Water flows in the horizontal pipe shown in Fig. 13-6. At 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. 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

FIGURE 13-6 -Water flows in the horizontal pipe shown in Fig. 13-6. At A the area is 25.0 cm<sup>2</sup> and the speed of the water is 2.00 m/s. At B the area is 16.0 cm<sup>2</sup>. The fluid in the manometer is mercury, which has a density of 13,600 kg/m<sup>3</sup>. 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

-Water flows in the horizontal pipe shown in Fig. 13-6. At 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. What is the manometer reading h?

Quizplus · Accepted Answer

Using the principle of continuity and Bernoulli's equation, we find the speed at B using A1V1 = A2V2. Then, applying Bernoulli's equation, we calculate the pressure difference and convert it to a height difference in the manometer using the density of mercury.

FIGURE 13-6 -Water Flows in the Horizontal Pipe Shown in Fig. 13-6