math

a ball is thrown down ward from a 320 ft building at a initial velocity of 32 ft per sec. How long would the ball take to reach a height of 48 feet?'
16t^2+32+320

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asked by henry
  1. so, just fix the typo and solve

    -16t^2-32t+320 = 48
    t = 3.24

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    posted by Steve

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