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Mathematics, 05.05.2021 04:00 jgunt8277

In a physics class demonstration, a ball is dropped from the roof of a building, 72 feet above the ground. The height h, in feet, of the ball above the ground is given by the function h= − 16t^2+ 72 where t is the time in seconds. How long does it take for the ball to reach the ground?

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