Question

A pendulum oscillates 120 times in 8 seconds. Find its time period and frequency.

Answer 1

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Answer 2

Answer:

Time period is defined as the time required to complete one oscillation.

Frequency is defined as the number of oscillations per unit time.

Time = 8 seconds

Time Period =(Time taken) / (Number of

Oscillations)

Time Period =(8/120)=0.0666666667 second

Frequency = (Number of Oscillations)/ (Time taken)Frequency = (120/8) = 15Hz

Explanation:

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