science..physics

An athlete runs from one end to the other end of a semicircular track whose radius is 70m.what is the total distance covered by the athlete and what is his displacement?

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asked by tania
  1. r=70
    semi-circumference = πr = 70πm
    Displacement = 2r = 140m

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  2. What is the distance?

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    posted by Kib

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