Question

A pendulum takes 30 oscillation in one minute. calculate its time period​

Answer 1

Answer:

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Explanation:

Time period = Time taken for one oscillation

For 40 oscillations time taken is 1 minute

Then, for 1 oscillation time taken is 1/40 = 0.025 minutes

Time period of oscillation is 0.025 minutes

= 0.025 minutes × 60 seconds/minute

= 1.5 seconds

Time period is 1.5 seconds

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Answer 2

Answer:

2 sec

Explanation:

For 30 oscillations time taken is 1 minute

Then, for 1 oscillation time taken is 1/30 = 0.033 minutes

Time period of oscillation is 0.033 minutes

= 0.033 minutes × 60 seconds/minute

= 1.98seconds

Time period is 2 seconds