Calculating the Length from the Swing Period
The period of a pendulum is calculated using the following formula:
We can rearrange the formula to calculate the length like this:
Note that the units in these formulas are meter and second, which is usually the case in physics. The constant g in this formula stands for the gravitational acceleration, and its value is 9.81 meters per square second. T stands for the period of the swing in seconds. This means the user needs to move the markers to two adjacent maximums and we need to calculate the ...
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