Question

Another pendulum (B) oscillates 90 times in 3 seconds . Whats is its time period ? Find their frequencies.​

Answer 1

Answer:

Time = 3 sec.

Time Period = (Time taken) / (Number of Oscillations)

Time Period = (3/90) = 0.03sec.

Frequency = (Number of Oscillations)/ (Time taken)Frequency = (90/3) =30Hz

Explanation:

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Answer 2

Answer:

30hz is the correct answer for this question