A horizontal tube consists of a 7.0-cm diameter pipe that narrows ...

[TVarnum]

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.

[nixon_s]

Answer to Question 1

A

Answer to Question 2

B

[TVarnum]

TYSM

[dantucker]

Excellent