1. A pendulum oscillates 50 times in 6 seconds. Calculate it's time period and frequency.
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Answer:
given,
no. of vibrations in 6 s= 50
therefore, its frequency =
vibrations in one second
=> 50/6 = 25/3 Hz
thus, time period = 1/ frequency
=> 1/25/3 = 3/25= 0.12 seconds.
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