8000 vibrations in 20 seconds
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Answered by
2
Answer:
Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second. In this case, there is 1 cycle per 2 seconds. So the frequency is 1 cycles/2 s = 0.5 Hz.
Hope you help this.
Answered by
0
Answer:
400 vibrations per second
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