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Author Question: A horizontal tube consists of a 7.0-cm diameter pipe that narrows to a 2.0-cm-diameter throat. In ... (Read 89 times)

TVarnum

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on: Jul 29, 2018
A horizontal tube consists of a 7.0-cm diameter pipe that narrows to a 2.0-cm-diameter throat. In the pipe, the water pressure is twice atmospheric pressure and the water flows with a speed of 0.40 m/s.
 
  What is the pressure in the throat, assuming that the water behaves like an ideal fluid? The density of water is 1000 kg/m3, and atmospheric pressure is 1.01  105 Pa. A) 1.9 atm
  B) 0.12 atm
  C) 2.1 atm
  D) 2.0 atm

Question 2

Small ripples on the surface of a pond are
 
  A) transverse waves in a three dimensional medium.
  B) transverse waves in a two-dimensional medium.
  C) longitudinal waves in a two-dimensional medium.
  D) not really waves at all.
  E) longitudinal waves in a three-dimensional medium.


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nixon_s

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


TVarnum

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Reply 2 on: Jul 29, 2018
Gracias!

tandmlomax84

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Reply 3 on: Yesterday
Excellent

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