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During a free kick at a soccer playoff game a 0.5 kg ball at the peak of the kick 16.6 m above the field had a kinetic energy of 35.4 J. How fast was the ball booted by the player on the field?

  • Physics - ,

    V^2 = Vo^2 + 2g*h = 0 at peak.
    Vo^2 - 19.6*16.6 = 0
    Vo^2 = 325.4
    Vo = 18.04 m/s = Speed at which ball was kicked.

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