Asked by ashley --

The sixth harmonic of a 70 cm long guitar string has a frequency of 557.14 Hz. What is the velocity of sound in the guitar string?
Answered by Katie
Using fn = (nv)/(2L) and plugging in values as fn = f6 = 557.14 = (6v)/(2*0.7) and solving for v, we get v = 130 m/s.