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SkitchNYC
 
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Default Math Problem

Say you are sailing a course of 190 and making 5 kn. An adverse current
suddenly gets you and you are now making a COG of 90. Assume the new COG is at
the same speed (5kn) and again at 2.5 kn. What direction and speed must the
current be to produce either of these results? Can such a current exist in a
Gulf Stream eddie?
 
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