Foucaults Pendulum The period of a pendulum is the time it
Chapter 1, Problem 99(choose chapter or problem)
Foucaults Pendulum The period of a pendulum is the time it takes the pendulum to make one full swing back and forth. The period T, in seconds, is given by the formula , where l is the length, in feet, of the pendulum.In 1851, Jean Bernard Leon Foucault demonstrated the axial rotation of Earth using a large pendulum that he hung in the Panthon in Paris. The period of Foucaults pendulum was approximately 16.5 seconds.What was its length?T = 2p A l 32
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