A Pendulum That Was Originally Erected by Foucault at the Pantheon

question 80

Multiple Choice

A pendulum that was originally erected by Foucault at the Pantheon in Paris for the Paris Exhibition in 1851 was restored in 1995. It has a 28.0-kg sphere suspended from a 67.0-m light cable. How long would it take for the bob in this pendulum to move from the position of maximum displacement down to the equilibrium point?

• A) 2.58 s
• B) 21.5 s
• C) 4.11 s
• D) 32.2 s
• E) 42.9 s

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