what is the time period of simple pendulum if it completes 20 oscillations in 15 seconds ? Pls do all numerical with formula
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what is the time period of simple pendulum if it completes 20 oscillations in 15 seconds ? Pls do all numerical with formula
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No. of oscillations completed by the pendulum= 42
Time taken to complete 42 oscillation= 20 seconds
Time period= No. of oscillations completed/Time taken
Time period= 42/20
= 21/10 (cancelled by 2)
= 2.1
Time period= 2.1 seconds