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At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball?

I don't understand this problem at all! Can someone help?

  • Physics -

    The max ht. occurs at V = 0.
    V = Vo + gt = 0.
    5.4 - 9.8t = 0
    9.8t = 5.4
    t = 0.55 s.

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