Question

simple pendulum takes 42 sec. to complete 20 oscillations. What is its time period?

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Answer 1

Answer:

2.1 secs

Explanation:

TIME PERIOD = Time taken / No of Oscillations

                 time taken =42 sec

            No of oscillations = 20

                                                               =42/20

                                                                      = 2.1 sec

                                   

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Answer 2

Answer:

time period

= 42s/20

=2.10s

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