SOLUTION: You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second

Algebra ->  Functions -> SOLUTION: You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second      Log On


   



Question 1085417: You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second and so on in an arithmetic sequence. What is the total distance the object will fall in 9 seconds?
Answer by Alan3354(69443) About Me  (Show Source):
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You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second and so on in an arithmetic sequence. What is the total distance the object will fall in 9 seconds?
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s = at^2/2 = 16t^2
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16*9^2 = 1296 feet