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September 19, 2014

Homework Help: Physics

Posted by Jacob on Thursday, August 1, 2013 at 7:20pm.

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 50 m downstream from the point directly across the river, which is 79 m wide.
(a) What is the speed of the river current?
m/s

(b) What is the swimmer's speed relative to the shore?
m/s

(c) In what direction should the swimmer head so as to arrive at the point directly opposite her starting point?
upstream from straight ahead

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