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A river has a steady speed of 0.500 m/s. A student swims upstream a distance of 1.00 km and swims back to the starting point. If the student can swim at a speed of 1.20 m/s in still water, how long does the trip take?

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Ankit Lal
Ankit LalLv10
18 Oct 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Two swimmers, chris and sarah, start together at the same point on the bank of a wide stream that flows with a speed v. Both move as the same speed c where c is greater than v, relative to the water. Chris swims downstream a distance L and then upstream the same distance. Sarah swims so that her motion relative to the earth is perpendicular to the banks of the stream. She swims the distance L and then back the same distance, with both swimmers returning to the starting point. In terms of L c and v find the time intervals required a) for chris's round trip and b) for sarah's round trip. c) explain which swimmer returns first.

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