for question 14.
as it completes 82.1 oscillation in 120 seconds.
as we know frequency is defined as cycle per second, so we can say f= 82.1/120 = 0.6842 per second
now time period = 1/f
so period of the pendulum= 1/.6842 = 1.462
now time period is given by
here we know L and T and we need to find g at that particular place. hence put the values.
so value of g at that particular place will be 10.28.
as per HomeworkLib policy i can answer only one question per doubt.
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