Problem 4.168

Determine in what way and how many times will the fundamental tone frequency of a stretched wire change if its length is shortened by $35 \%$ and the tension increased by $70 \%$

Reveal Answer

\text { Will increase } \eta=\frac{\sqrt{1-\Delta T / T}}{1+\Delta l / l}=2 \text { times. }

Elastic Waves. Acoustics.