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Question: a ball is thrown from a height of 141 feet...

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A ball is thrown from a height of 141 feet with an initial downward velocity of 21 ft/s. The balis height h (in feet) after t seconds is given by the following. h-141-21t-16r How long after the ball is thrown does it hit the ground? Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the or button.) □미。.. seconds ground
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