Difference between revisions of "009A Sample Final 2, Problem 9"
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Revision as of 18:56, 18 February 2017
A plane begins its takeoff at 2:00pm on a 2500-mile flight. After 5.5 hours, the plane arrives at its destination. Give a precise mathematical reason using the mean value theorem to explain why there are at least two times during the flight when the speed of the plane is 400 miles per hour.
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Solution:
(a)
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(b)
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(c)
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| (a) |
| (b) |
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