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December 21, 2014

Homework Help: physics

Posted by Melissa on Wednesday, September 15, 2010 at 8:28pm.

Mary needs to row her boat across a 120 m -wide river that is flowing to the east at a speed of 1.4 m/s. Mary can row the boat with a speed of 2.0 m relative to the water.

1. How long does it take Mary to reach the opposite river bank ?
2.If Mary rows straight north, how far downstream will she land?

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