A simple pendulum takes 20s to complete 72 oscillations. What is the time period of this pendulum
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Step-by-step explanation:
Time period is defined time taken to complete one oscillation.
Here, time taken to complete one oscillation= 20/72= 0.27 sec
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Answer: the formula for time period is t/sec so ....20/72
20/72 is 10/36 when we cancel by 2...10/36 is 5/18 whem u cancel by 2 so in fraction it is 5/18 or in decimal it is 0.27777777777
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