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A particular guitar string is supposed to vibrate at 220 , but it is measured to vibrate at 230 .
By what percent should the tension in the string be changed to correct the frequency?

I have been working for 7 hours of hw! Please help!

  • Physics -

    isnt v=sqrt(tension)
    but f*lambda= v= sqrt(tension). So leaving the lambda constant, then f is proportional to sqrt tension

    230/220= sqrt (tension/orgtension)
    square both sides, solve for tension, then find the percent increase.

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