Use the position equation given below, where s represents the height of the obje

Question

Use the position equation given below, where s represents the height of the object (in feet), vo represents the initial velocity of the object (in feet per second), So represents the initial height of the object (in feet), and t represents the time (in seconds), as the model for the problem. s=-16t2 + vot + so An aircraft flying at 900 feet over level terrain drops a supply package. (a) How long will it take until the supply package strikes the ground? (Round your answer to three decimal places.) sec (b) The aircraft is flying at 142 miles per hour. How far will the supply package travel horizontally during its descent? (Round your answer to one decimal place.) 93720.0Xft

Explanation / Answer

Distance supply package will travel horizontally = speed × time = (142×7.5)/(60×60)= 0.2958 mile

1 mile = 5280 feet

therefore 0.2958 mile = 1561.824 feet.

therefore distance travelled horizontally = 1561.824 feet

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