A 0.323-kg clothesline is stretched with a tension of 53.4 N between two poles 6.10 m apart.

Question:

A 0.323-kg clothesline is stretched with a tension of 53.4 N between two poles 6.10 m apart. What is the frequency of
(a) The fundamental and
(b) The second harmonic?
(c) If the tension in the clothesline is increased, do the frequencies in parts (a) and (b) increase, decrease, or stay the same? Explain.