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Fenway Park is a Major League Baseball park in Boston, Massachusetts. The park offers seats on top of the left field wall. A person sitting in one of these seats accidentally drops his sunglasses on the field. The heigh h, (in feet) of the sunglasses can be modeled by the function h = -16t2 + 45 where t is the time (in seconds) since the sunglasses were dropped. The time it takes for the sunglasses to reach the field is seconds. (Round your answer to 3 decimal places)