Will give brainiest. a ball is thrown from an initial height of 3 meters with an initial upward velocity of 20/ms . the ball's height h (in meters) after t seconds is given by the following. h=3+20t-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.)