To second floor (1.0 cm pipe) 5.0 m Water meter Hot-water From water supply (2.0 cm pipe) tank 2.
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Water enters a house (Fig. ) through a pipe with an inside diameter
of 2.0 cm at an absolute pressure of 4.0 * 10^5 Pa (about 4 atm). A
1.0-cm-diameter pipe leads to the second-floor bathroom 5.0 m above.
When the flow speed at the inlet pipe is 1.5 m/s, find the flow speed,
pressure, and volume flow rate in the bathroom.
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