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Halliday 2 Cap 18 - P18 095

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    December 2018
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95. Let the original tension be τ1 and the new tension be τ2 . Then λs2 vs /f2 f1 v2 /λ1 v1 = = = = = λs1 vs /f1 f2 v2 /λ2 v2  1 τ1 = . τ2 2 Thus, τ2 /τ1 = 4. That is, the tension must be increased by a factor of 4.