Fig 23.19.

The coriolis pseudo-force. In the upper series, we look at an object thrown from a high latitude to the equator. A is the point aimed at on the equator, and B is the point where the object is launched. However, the horizontal motion at B is less than that at A, so the object reaches the equator behind A.We look at an object thrown from A to B, in the lower series.The object has a greater horizontal motion than does B, and therefore gets ahead of B.

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