a simple pendulum completes 20 oscillations in 30 seconds. how much time will it take to go from the extreme position to the mean position?
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20 oscillations take 30s
therefore, 1 oscillation takes 30/20
=1.5s
the time required to go from the extrem to mean position is 1.5/2=0.75s
therefore, 1 oscillation takes 30/20
=1.5s
the time required to go from the extrem to mean position is 1.5/2=0.75s
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