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# A ball is thrown from an initial height of 3 meters with an initial upward velocity of 20 m/s. The ball's height h (in meters) after t seconds is given by the following. h=3+20t-5t squared. Find all values of t for which the ball's height is 13 meters.   ### Another question on Mathematics Mathematics, 20.06.2019 18:04
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A ball is thrown from an initial height of 3 meters with an initial upward velocity of 20 m/s. The b...
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