Use the position equation s = -16t + vot + so as the model for the problem. A cargo plane flying at 4000 feet over level terrain drops a 400-pound supply package. (a) How long will it take the package to strike the ground? (Round your answer to two decimal places.) sec (b) The plane is flying at 700 miles per hour. How far will the package travel horizontally during its descent? (Round your answer to two decimal places.) mi Need Help? Read It Submit