But there's no preferred north in this case - with a two-point problem, you never have to move off the equator no matter where it is.
And with regards to coriolis force, all this geometry serves only to identify the vectors involved. And the amusing thing about that: there's a right-hand-rule governing the expansion of a triangle to a sphere. The bulge will always be to the outside, which (standing at any vertex and facing out) will map the points to the right of where they would be on the planar view.
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Date: 2007-12-26 07:36 pm (UTC)And with regards to coriolis force, all this geometry serves only to identify the vectors involved. And the amusing thing about that: there's a right-hand-rule governing the expansion of a triangle to a sphere. The bulge will always be to the outside, which (standing at any vertex and facing out) will map the points to the right of where they would be on the planar view.