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2 December, 18:03

Solve the problem. a ball is thrown downward from a window in a tall building. its position at time t in seconds is s = 16t² + 32t, where s is in feet. how long (to the nearest tenth) will it take the ball to fall 95 feet?

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  1. 2 December, 18:17
    0
    1.96785 is the answer. ope it hels
  2. 2 December, 20:30
    0
    At first we will have to calculate the dy/dx.

    So, ds/dt=32t+32

    Then to calculate the time, t we will have to consider ds/dt=95

    Therefore,

    32t+32=95

    32t=95-32

    t=63/32

    t=1.96875s or 2s
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