(Answered) An athlete swims from the north end to the south end of a

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An athlete swims from the North end to the South end of a 50.0 Meter pool in 20.0 seconds, and makes the return trip to the starting point in 20.0s

A. What is the average velocity for the first half of the swim

B.What is the average velocity for the seconds half of the swim

C. What is the average velocity for the round trip?

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