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Mathematics, 01.08.2021 01:00 emilystartk

A ball is thrown from an initial height of 3 meters with an initial upward velocity of 13 m/s. The ball's height h (in meters) after 1 seconds is given by the following.
h= 3 + 131-512
Find all values of t for which the ball's height is 8 meters.
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