Author Question: Compare two vibrating strings, each has the same tension, but the second has four times the mass ... (Read 48 times)

big1devin

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Compare two vibrating strings, each has the same tension, but the second has four times the mass density of the first. The wave speed along the 2nd string is how many times the speed along the 1st?
 
  A) 1/4
  B) 1/2
  C) 4
  D) 2
  E)

Question 2

What is the result of adding 23.4 to 91.237 and then subtracting 23.4?
 
  A) 91.237
  B) 91.2
  C) 91.3
  D) 91.0
  E) 91.



31809pancho

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Answer to Question 1

B

Answer to Question 2

B



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