November 25, 2015

Homework Help: Physics

Posted by Brenda on Sunday, September 23, 2012 at 11:44am.

A boy wishes to row across a river in the shortest possible time. He can row at 2m/s in still water and the river is flowing at 1m/s. At what angle should he point th efront of his boat?

The answer is 90 degrees but I dont understand how to solve the problem using the velocity components of the boats velocity.

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