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August 30, 2014

Homework Help: physics

Posted by Melissa on Thursday, June 14, 2012 at 10:32am.

Your English teacher can swim with a constant speed of 0.67m/s. While facing south , he attempts to swim straight across the St. Lawrence River , which moves east at 1.4 m/s
a) find his velocity as seen from the riverbank.

B) if the river was 175m wide
How long does it take him to cross the
River



Hri

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