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October 21, 2014

Homework Help: physics

Posted by Kim on Monday, September 27, 2010 at 11:22pm.

A boat moves through the water of a river at 5 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.6 m/s, how long does it take the boat to make a round trip consisting of a 180 m displacement downstream followed by a 180 m displacement upstream?

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