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Path Finder A Foucault Pendulum at the North Pole revolves clockwise with a period of 24 hours. A Foucault Pendulum at the South Pole revolves counterclockwise with a period of 24 hours.

By symmetry, a pendulum at the equator must not revolve at all.

By continuity, every pendulum away from the poles must revolve with a period greater than 24 hours.

Discuss.

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