Physics 1 Problem Solutions 144

Physics 1 Problem Solutions 144 - 140 Chapt 15 Fluids You...

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Unformatted text preview: 140 Chapt. 15 Fluids You have pipe with steady-state incompressible flow to which Bernoulli’s equation and the continuity equation apply. (Recall, the continuity equation is Constant = vA , where v is fluid speed and A is cross-sectional area.) If the cross-sectional area A of pipe is CONSTANT and y increases, then: a) P and v DECREASE . b) P DECREASES and v INCREASES . c) P DECREASES and v stays constant. d) P and v INCREASE . e) P DECREASES and what happens to v cannot be determined without more information. 015 qmult 00950 1 5 5 easy easy thinking: paper and lift 35. Take this quiz and ... —no, no not that. Take this quiz—or some single sheet of paper if you arn’t in a quiz mise en sc` ene —in your fingers with your fingers on either side of one of narrow ends. Hold this end JUST BELOW your lips and blow a strong gust. a) Nothing happens, because you’ve blown too hard. b) Nothing happens, because you’ve blown too softly and you’ve never succeeded in blowing up a balloon in your life.up a balloon in your life....
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