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sunflowergirl6664
sunflowergirl6664
30.01.2021 • 
Mathematics

A stone nudged off the Royal Gorge Bridge near Cañon City, Colorado, falls 1053 feet before hitting the water. Because its speed increases as it falls, the distance it travels each second increases. During the first second, it drops 16 feet. During the next second, it drops an additional 48 feet. During the third second, it drops another 80 feet. The distances traveled each second from an arithmetic sequence: 16, 48, 80, ... How far does the stone fall during the 5th second? Find and use the explicit formula.

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