At what time does the stone hit the ground

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A stone is thrown straight down from the edge of a roof, 925 ft above the ground, at a speed of 7 ft/sec. A. Given that the acceleration due to gravity is -32 ft/sec^2, how high is the stone 5 seconds later? B. At what time does the stone hit the ground? C. What is the velocity of the stone when it hits the ground?

Reference no: EM13178996

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