Respuesta :

skyluke89
The frequency f of a wave is defined as the inverse of the period T:
[tex]f= \frac{1}{T} [/tex]
The clock in the problem has a waveform with period [tex]T=750 ms=0.750 s[/tex]. Therefore, its frequency is
[tex]f= \frac{1}{0.750 s}=1.33 Hz [/tex]