Mathematics, 16.04.2021 02:40 sarbjit879

The height of a ball dropped from the top of a building 512 feet high is given by h(t) = -16t2 + 512, where t is in seconds and h is in feet. a) When will the ball reach the ground? Approximate your answer to two decimal places. (Hint: The height is O when it hits the ground.) b) Why can t only be a positive value? Explain in a complete sentence.

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