Asked by fati

a man wishes to travel due north in order to move to the other side of the river which is 5km wide flowing due east at 3per hour . if he can row at 10 kilometers in still water .find either by scale or by calculation the direction in which he must held his boat in order to get to his destination directly opposite is starting point
Answered by fati
give me an answer to that question i submit
Answered by oobleck
Draw the velocity vectors. His upstream (west of north) angle θ is such that

sinθ = 3/10
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