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April 2, 2015

Homework Help: Physics/Nautical Mile

Posted by Mike on Friday, October 5, 2007 at 8:16am.

The NM by definition is something used at sea. In my previous post I established there is a difference in the length of the earths radius at the equator compared to the poles, although it is not clear whether the radius is a measurement of land mass or sea level? Additionally the length of 1' of laitude differs at the pole compared to the equator.

I can accept that the solid parts of the land can be any shape they happen to be but understand water finds its own level. In this case the length of a NM at sea should not vary.

Mike

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