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Water is circulating through a closed system of pipes in a two-floor apartment.

ID: 2262274 • Letter: W

Question

Water is circulating through a closed system of pipes in a two-floor apartment. On the first floor, the water has a gauge pressure of 4.5

Water is circulating through a closed system of pipes in a two-floor apartment. On the first floor, the water has a gauge pressure of 4.5 times 105 Pa and a speed of 2.4 m/s. However, on the second floor, which is 3.6 m higher, the speed of the water is 3.9 m/s. The speeds are different because the pipe diameters are different. What is the gauge pressure of the water on the second floor?

Explanation / Answer

the gauge pressure of the water = 4.7*10^5 - 3.6*1000*9.8 = 4.34*10^5 Pa

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