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Physics

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If a discus thrower rotates through the last 45 degrees of a turn in .11 seconds and the distance from the axis of the rotation to the center of the discus is 1.22 m, what is the average linear velocity of the discus?

  • Physics -

    linear velocity= w*r=PI/(4*.11) * 1.22

  • Physics -

    what does PI stand for?

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