earth's rotation on its axis is about 24.
earth's rotation on its axis is about 24.
how long is earth's rotation on its axis?
about 24
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the reason the rotation of the earth in relation to the pendulum swing increases in time (decreases in effect) with decreasing latitude is related to the coriolis effect. as summarized in the coriolis effect article, the effect is greatest in polar regions where the surface of the earth is at right angles to the axis of rotation (the central axis of the pendulum aligns with the earth's axis of rotation). the coriolis effect decreases nearer the equator because the surface of the earth is parallel to the axis of rotation (the central axis of the pendulum is perpendicular with the earth's axis of rotation). refer to the article discussing the coriolis effect for further details.
foucault pendulum vector diagrams