Example # 1: Water enters a house through a pipe with an inside diameter of 2.0 cm at an absolute pressure of 4.0 × 105 Pa (about 4 atm). A 1.0-cm-diameter pipe leads to the second-floor bathroom 5.0 m above (Fig. 14.24). 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. π(1.0 cm)² V2 flow speed: = -V1 A2 π (0.50 cm)²(1.5 m/s) = 6.0 m/s pressure: P₂ = 3.3x105 Pa

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Physics subject. Show the solution of the pressure 2 below.

Example # 1:
Water enters a house through a pipe with an inside diameter of
2.0 cm at an absolute pressure of 4.0 × 105 Pa (about 4 atm). A
1.0-cm-diameter pipe leads to the second-floor bathroom 5.0 m
above (Fig. 14.24). 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.
A₁
TT (1.0 cm)²
=
=
flow speed: V2
6.0 m/s
A2
π (0.50 cm)²(1.5 m/s)
pressure:
P₂ = 3.3x105 Pa
-V1
=
Transcribed Image Text:Example # 1: Water enters a house through a pipe with an inside diameter of 2.0 cm at an absolute pressure of 4.0 × 105 Pa (about 4 atm). A 1.0-cm-diameter pipe leads to the second-floor bathroom 5.0 m above (Fig. 14.24). 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. A₁ TT (1.0 cm)² = = flow speed: V2 6.0 m/s A2 π (0.50 cm)²(1.5 m/s) pressure: P₂ = 3.3x105 Pa -V1 =
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