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August 5, 2015

Homework Help: Physics

Posted by Diego on Thursday, October 11, 2012 at 9:15pm.

A swimmer can swim in still water at a speed
of 9.31 m/s. He intends to swim directly
across a river that has a downstream current
of 4.35 m/s.
a) How many degrees from straight across
the river should he head? Let upstream be a
positive angle.
Answer in units of degrees
b) What is the magnitude of the swimmer’s
velocity relative to the bank?
Answer in units of m/s

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