89. A pipe section S1 = 100 cm2 blown air at a speed of

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89. A pipe section S1 = 100 cm2 blown air at a speed of 2 m3 / min. The tube has a short section with a smaller cross section S2 = 20 cm2. Define: 1) υ1 air speed in the wide portion of the tube, 2) a level difference Δh of the water used in the system connected to the pressure gauge. The air density ρ = 1,3 kg / m3 of water ρ ´= 1000 kg / m3

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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