Find by what percent should the tension in string be changed

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Reference no: EM1384547

Q. A particular guitar string is supposed to vibrate at 191- Hz, but it is measured to actually vibrate at 210- Hz. By what percent should the tension in string be changed to get the frequency to the correct value? (Your answer must be positive for an increase and negative for a decrease in the tension.)

Reference no: EM1384547

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