the time taken for 20 oclicen 46 second find the time period time taken for 46 second calculate the time period
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We know that the time period of a seconds pendulum is T=2 sec. One second for a swing in one direction and one second for the return swing.
Thus, time taken to complete one oscillation is 2 sec.
Hence, time taken to complete 20 oscillations is 2×20=40 sec.
Step-by-step explanation:
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