March 29, 2017

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You drop an object from atop a building and it takes 7.20-sec before it hits the ground. Assume that there is no air resistance, how tall is this building?

  • Physics - ,

    h = Vo*t + 0.5g*t^2
    h = 0 + 4.9*(7.2)^2 = 254 m

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