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March 29, 2017

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A ball is thrown straight up into the air with a velocity of +20.5 m/s. Find the velocity of the ball after 2.5 s.

  • Physics - ,

    v = Vi - g t
    v = 20.5 - 9.8 (2.5)
    v = 20.5 - 24.5 = -4.0
    Of course if it started at the ground, the final velocity is zero because it hit the ground :)

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