February 23, 2017

Homework Help: Math

Posted by Anne on Saturday, September 12, 2009 at 1:12pm.

A boat, whose speed in still water is 2.80m/s , must cross a 280m wide river and arrive at a point 120m upstream from where it starts. To do so, the pilot must head the boat at a 45.0 degrees upstream angle. What is the speed of the river's current?

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