SHM:Amplitude
The frequency of motion, f, is the rate of repetition of the motion -- the number of cycles per unit time. There is a simple relation between frequency and period:
What is the frequency of ball B (recall, the period is 12s)?

A. 0.0625 Hz
B. 0.0833 Hz
C. 0.125 Hz
D. 0.250 Hz

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