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You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 5.20 m/s, directed downward, and it hits the ground 2.10 s after it is released. Find the height of the balcony.

  • Physics -

    Y = H -5.2t -4.9t^2
    is the height above ground at time t.

    It hits the ground (Y=0) when t = 2.1 s.

    Let Y = 0 and t = 2.10 and solve for H

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