Answer:
C. 0.2 Hertz
Explanation:
The frequency of a spring is equal to the reciprocal of the period:
[tex]f=\frac{1}{T}[/tex]
where
f is the frequency
T is the period
For the spring in this problem,
T = 5 s
therefore, the frequency is
[tex]f=\frac{1}{5 s}=0.2 Hz[/tex]
