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The motion of this pendulum proves that the earth is rotating underneath the pendulum. The angle of the rotation of the pendulum per hour remains fixed at any location and equals:
The motion of this pendulum proves that the earth is rotating underneath the pendulum. The angle of the rotation of the pendulum per hour remains fixed at any location and equals:
<math>15\sin q</math>
<math>15\sin( q )</math>
where q is the latitude of the observer. At the equator, the plane in which the pendulum moves does not change.
where q is the latitude of the observer. At the equator, the plane in which the pendulum moves does not change.