Friday
March 6, 2015

Homework Help: physics

Posted by Maria on Sunday, November 7, 2010 at 6:29pm.

can you help me through this?

A boat moves through a river at 7.0 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 3.5 m/s, how long does it take the boat to make a round trip consisting of a 250 m displacement downstream followed by a 250 m displacement upstream?

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