Simple Pendulum: In 1851 Jean Bernard Leon Foucault demonstrated the rotation of the earth using a pendulum 11.0 m long, which was set up in the Paris Observatory. How long would it have taken for Foucault's pendulum to make one complete swing back to its starting point if g = 9.81 m/s2 at the observatory?
A. 6.65 s
B. 5.63 s
C. 1.79 s
D. 2.12 s
E. 2.58 s
Answer: A
Physics & Space Science
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