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Unformatted text preview: M ATH 115 F IRST M IDTERM February 10, 2009 NAME: INSTRUCTOR: SECTION NUMBER: 1. Do not open this exam until you are told to begin. 2. This exam has 10 pages including this cover. There are ?? questions. 3. Do not separate the pages of the exam. If any pages do become separated, write your name on them and point them out to your instructor when you turn in the exam. 4. Please read the instructions for each individual exercise carefully. One of the skills being tested on this exam is your ability to interpret questions, so instructors will not answer questions about exam problems during the exam. 5. Show an appropriate amount of work for each exercise so that the graders can see not only the answer but also how you obtained it. Include units in your answers where appropriate. 6. You may use your calculator. You are also allowed two sides of a 3 by 5 notecard. 7. If you use graphs or tables to obtain an answer, be certain to provide an explanation and sketch of the graph to show how you arrived at your solution. 8. Please turn off all cell phones and pagers and remove all headphones. PROBLEM POINTS SCORE 1 9 2 16 3 13 4 10 5 14 6 11 7 7 8 8 9 12 TOTAL 100 2 1. Air pressure, P , decreases exponentially with the height, h , in meters above sea level. The unit of air pressure is called an atmosphere ; at sea level, the air pressure is 1 atm. (a) (5 points) On top of Mount McKinley, at a height of 6198 meters above sea level, the air pressure is approximately 0.48 atm. Use this to determine the air pressure 12 km above sea level, the maximum cruising altitude of a commercial jet....
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This note was uploaded on 02/25/2009 for the course MATH Math 115 taught by Professor Na during the Winter '09 term at University of Michigan.
 Winter '09
 NA
 Math, Calculus

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