Physics

An object is dropped from a platform100 ft high. Ignoring wind resistance, how long will it take to reach the ground?

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asked by AS
  1. y = Vi(t) + 1/2(a)(t^2)

    400 = (0m/s)t + 1/2(9.8)(t^2)

    use the quadratic equation to solve for t

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    posted by Elina

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