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Author Question: The spring of the pressure gauge shown in the figure has a force constant of 900 N/m, and the piston ... (Read 101 times)

nautica902

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on: Jul 28, 2018
The spring of the pressure gauge shown in the figure has a force constant of 900 N/m, and the piston has a radius of 1.5 cm.
 
  As the gauge is lowered into water, what change in depth causes the piston to move in by 0.88 cm? The density of water is 1 000 kg/m3.
   
  a.
  1.1 m
   
  b.
  0.054 m
   
  c.
  76 m
   
  d.
  0.017 m

Question 2

A U-tube is partially filled with water and then an immiscible liquid is added to the right side. The top of the liquid is a distance h1 above the level of interface between the liquid and water. On the left side of the tube the top of the water is a distance h2 above the liquid-water interface on the right side. What is the density of the liquid in terms of the density of water ? Note that h2 < h1.
   
  a.
 
  b.
 
   
  c.
 
  d.
 


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jackie

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


nautica902

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Reply #2 on: Jul 28, 2018
Thank you!


jackie

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Reply #3 on: Jul 28, 2018
Always glad to help...


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