pendulum a marks 21 oscillations in six seconds and pendulum B marks 15 oscillations in four seconds. which has a higher frequency? Express the frequency of each pendulum in hertz.
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Answer:
For 15 oscillation it takes 30 sec
For one oscillation Tme period = 30/15 = 2sec
Frequency = 1/ Time period
=1/2=0.5 Hz
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