Recent content by koosy

Actually' I've just realized it really isn't relative velocity. This link gave me good pointers. Thanks for your help, though! http://www.janrik.net/mathexpl/swimwalk.html

s is the swimmer's speed and f is the drift of the river, flowing at a westward direction.

Homework Statement crossing a river from point A to a point B directly across point A. The river R is 1 mile wide, the swimmer swims at s=5mph and the river is flowing westbound at f=1mph. Find the optimal direction theta to swim in order to reach point B the fastest. This is an optimization...