Mathematics

2 March, 21:39

A ball is thrown from an initial height of 1 meter with an initial upward velocity of 13 m/s. The ball's height h (in meters) after t seconds is given by the following.

h=1+13t-5t^2

Find all values of t for which the ball's height is 8 meters.

Round your answer (s) to the nearest hundredth.

(If there is more than one answer, use the "or" button.)

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