Why do we have to measure 20 cycles of the pendulum motion to determine the period,...
Why do we have to measure 20 cycles of the pendulum motion to determine the period, rather than just one cycle?
Homework Answers
We would measure 20 cycles of the pendulum motion to determine the period, rather than one period as timing only one cycle would be inaccurate. So for the sake of getting a most precise value, we measure 20 cycles instead of one.
Later, we can divide by 20 to get the exact value.
For ex: for 20 cycles we get 15 s
so for one cycle
T = 15/20 = 0.75 sec
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Why do we have to measure 20 cycles of the pendulum motion to
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