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physical

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A marathon runner runs 3km in direction 0degree and them 4km in direction 90degree. total time for the race is 2 hours.so determine the total distance covered?

  • physical -

    5 km

    this is a 3, 4 , 5 right triangle
    5^2 = 3^2 + 4^2
    25 = 9 + 16

    time has nothing to do with the problem

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