Answer:
58.8 Hz
Explanation:
The relationship between frequency and period of a wave is
[tex]f=\frac{1}{T}[/tex]
where
f is the frequency
T is the period
For the wave in this problem, we know its period:
T = 0.017 s
Therefore, its frequency is
[tex]f=\frac{1}{0.017 s}=58.8 Hz[/tex]