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Chapter 14: Q. 3 (page 383)
Rank in order, from largest to smallest, the pressures at d, e, and f in FIGURE Q14.2. Explain
The order or pressure is as : Pd > Pf > Pe
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In , a cone of density and total height localid="1648200296554" floats in a liquid of density . The height of the cone above the liquid is . What is the ratio of the exposed height to the total height?
a. A liquid of density flows at speed through a horizontal pipe that expands smoothly from diameter to a larger diameter . The pressure in the narrower section is . Find an expression for the pressure in the wider section.
b. A pressure gauge reads as water flows at through a -diameter horizontal pipe. What is the reading of a pressure gauge after the pipe has expanded to in diameter?
Gas flows through the pipe of FIGURE Q14.10. You can’t see into the pipe to know how the inner diameter changes. Rank in order, from largest to smallest, the gas speeds va , vb , and vc at points a, b, and c. Explain.
Gas flows through the pipe of FIGURE Q14.10. You can’t see into the pipe to know how the inner diameter changes. Rank in order, from largest to smallest, the gas speeds va , vb , and vc at points a, b, and c. Explain.
A 3.0-m-tall, 50-cm-diameter concrete column supports a 200,000 kg load. By how much is the column compressed?
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