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Author Question: Two adjacent sources each emit a frequency of 800. Hz in air where the velocity of sound is 340. ... (Read 42 times)

jasdeep_brar

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on: Jul 27, 2018
Two adjacent sources each emit a frequency of 800. Hz in air where the velocity of sound is 340. m/s. How much farther back would the first source have to be moved so an observer in front of the sources would hear no sound?
 
  What will be an ideal response?

Question 2

At double the distance from a long current-carrying wire, the strength of the magnetic field produced by that wire decreases to
 
  A) 1/8 of its original value.
  B) 1/4 of its original value.
  C) 1/2 of its original value.
  D) 1/ of its original value.
  E) /3 of its original value.


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JaynaD87

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Reply #1 on: Jul 27, 2018
Answer to Question 1

0.213 m

Answer to Question 2

C


jasdeep_brar

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

flexer1n1

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Reply 3 on: Yesterday
Excellent

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