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A ball is thrown vertically upwards with an initial velocity of 27.0 m/s. Neglecting air resistance, how long is the ball in the air?

  • Physics -

    Twice as long as it takes to go up.
    v = Vi - 9.8 t
    0 = 27 - 9.8 t
    t = 2.755 to go up
    so twice that is 5.51 seconds

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