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Physics, 21.09.2019 11:50 skyflyer878

Ariver has a steady speed of 0.464 m/s. a student swims upstream a distance of 1.00 km and swims back to the starting point.
(a) if the student can swim at a speed of 1.08 m/s in still water, how long does the trip take?
(b) how much time is required in still water for the same length swim?

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