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Author Question: A 0.640-m long gas column is open at both ends. What is the fundamental resonant frequency of the ... (Read 100 times)

xclash

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on: Jul 29, 2018
A 0.640-m long gas column is open at both ends. What is the fundamental resonant frequency of the air column if the speed of sound in the air is 340 m/s?
 
  A)
 
  432 Hz
 
  B)
 
  266 Hz
 
  C)
 
  198 Hz
 
  D)
 
  132 Hz
 
  E)
 
  669 Hz

Question 2

Car A is traveling at twice the speed of car B. They both hit the brakes at the same time and undergo identical decelerations. How does the distance required for car A to stop compare with that for car B?
 
  What will be an ideal response?


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stanleka1

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

B

Answer to Question 2

It takes four times the distance to stop.


xclash

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


stanleka1

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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