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If an object is dropped from a height of 55 feet, the function d=-16t^2+55 gives the height of the object after t seconds. Graph this function. Approximately how long does it take the object to reach the ground (d= 0)?

1 Answer

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Answer:

To find the time to reach ground solve - 16t^2 + 55 = 0

t^2 = 55/16

t = sqrt55 / 4 = 1.85 seconds

Explanation:

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