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March 30, 2017

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A 3.61 kg ball is dropped from the roof of a building 152.5 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.6 N on the ball. How long does it take to hit the ground? The acceleration of gravity is 9.81 m/s^2

  • physics - ,

    hf=hi+vi*t-4.9t^2
    Vi=0
    hf=0,hi=152.5m, solve for time.

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