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Water is flowing from a major broken water main at the intersection of two streets. The resulting puddle of water

is circular and the radius r of the puddle is given by the equation r = 5t feet, where t represents time in seconds elapsed since the the main broke.  Suppose, instead, that when the main broke, the runner was 6 miles east, and 5000 feet north of the intersection. The runner runs due west at 17 feet per second. When will the runner's feet get wet?

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1524. 92 second for the first... View the full answer

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