February 20, 2017

Homework Help: physics

Posted by Amber on Sunday, March 7, 2010 at 10:23pm.

You want to swim straight across a river that is 76m wide. You find that you can do this if you swim 28 degrees upstream at a constant rate of 1.7m/s relative to water. At what rate does the river flow? The angle is measure from the river bank (directly upstream is 0 degrees while directly across the river is 90 degrees.

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