math/physics
posted by cindy .
A motorboat whose speed in still water is 3.00 m/s must aim upstream at an angle of 27.0 degrees (with respect to a line perpendicular to the shore) in order to travel directly across the stream. What is the speed of the current?

math/physics 
bobpursley
speed current/speed boat = tan 27
solve for currentspeed.
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