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  • 15-11-2022
  • Mathematics
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54. Foucault Pendulum
Foucault used a pendulum to demonstrate the Earth’s rotation. There are now over 30 Foucault pendulum displays in the United States. The Foucault pendulum at the Smithsonian Institution in Washington, DC, consists of a large brass ball suspended by a thin 52-ft cable. If the ball swings through an angle of 1°, how far does it travel?

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