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28 August, 05:36

Entertainment For a scene in a movie, a sack of money is dropped from the roof

of a 600-foot skyscraper. The height of the sack above the ground in feet is given by h = - 16t2 + 600, where t is the time in seconds. How long will it take the sack to reach the ground?

Round to the nearest tenth of a second.

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Answers (1)
  1. 28 August, 06:55
    0
    6.1 s

    Step-by-step explanation:

    h = - 16t² + 600

    When the sack reaches the ground, h = 0.

    0 = - 16t² + 600

    16t² = 600

    t² = 600/16

    t² = 37.5

    t = 6.1 s

    It will take 6.1 s for the sack to reach the ground.
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