A ball is thrown from an initial height of 3 meters with an initial upward velocity of 15 m/s. The ball's height h (in meters) after t seconds is given by the following. h=3+15t-5t² Find all values of t for which the ball's height is 11 meters. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) W t= seconds ☐or O

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