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Physics problem string tension

  1. Nov 23, 2014 #1
    Two strings are adjusted to vibrate at 260 Hz. One string is tightened then 3 beats per second is head when the string vibrate at the same time. What is the new frequency of the tightened string.
    I am using Fbeat=F1-F2; so wouldn't the answer just be 263 Hz
     
  2. jcsd
  3. Nov 23, 2014 #2

    Matterwave

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    Well, can you explain why 263 Hz, and not 257 Hz?
     
  4. Nov 23, 2014 #3
    The tension increased so the frequency must be greater than the F1. But when F2 is isolated the result would be 260-3 = 257hz
     
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