Halliday 2 Cap 18 - P18 095

Transcript

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.