Deja Vu At 8:00 a.m. on Saturday a man begins running up the side of a mountain to his
Chapter 1, Problem 94(choose chapter or problem)
Deja Vu At 8:00 a.m. on Saturday a man begins running up the side of a mountain to his weekend campsite (see figure). On Sunday morning at H:()0 \.M. he runs back down the mountain. It takes him 20 minutes to run up. but only 10 minutes to run down. At some point on the \\a\ down, he realizes that he passed the same place at exactly the same time on Saturday. Prove that he is correct. \Hiiil: Let .v(/) and ; (/) be the position functions for the runs up and dow n. and apply the Intermediate Value Theorem to the function /(/) - s(i) - r[i).\
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