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A certain freely falling object requires 1.50 seconds to travel the las 30.0 meters before it hits th ground. From what height above the ground did it fall?

  • Physics -

    V = 30m/1.5s = 20 m/s = Final velocity.

    h = (V^2-Vo^2)/2g.
    h = (400-0)/19.6 = 20.41 m.

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