March 26, 2017

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an athlete completes one round of circular track of radius R in 40 second what will be his displacement at end of 2minutes 20 second

  • physics - ,

    2minutes 20 secinds=3.5 rounds

    So the displacement will be 22r

  • physics - ,

    Nope, displscement is a vector.

    displacement= ending position-starting position.

    As I calculate, he is opposite his starting position, or 2R, in the direction opposite the starting point. In polar coordinates, the displacement is

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