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July 7, 2015

Homework Help: physic

Posted by Chan on Wednesday, September 30, 2009 at 1:32am.

Hi!Question: A river flows due east at 1.70m/s.A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 8.0m/s due north relative to the water.
A.What is the velocity of the boat relative to shore?___m/s and ___degree(north of east)
B.If the river is 200m wide. how far downstream has the boat moved by the time reaches the north shore?____m

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