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A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to i correct if i say his distance is 100m?

  • Physics -

    No, not if he ran around the track half way.

    half way around a circle is radius*PI

  • Physics -

    C = 2pi*r = 6.28 * 50 = 314m/rev = The
    Crcumference = The distance around the track.

    d = 1/2 * 314m = 157m.

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