Exam1_2009 - PHYSICS 111 EXAM 1 FALL 2009 Please fill in...

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PHYSICS 111 EXAM 1 FALL 2009 Please fill in your computer answer sheet as follows: 1) In the NAME grid, fill in your last name, leave one blank space, then your first name. 2) Write your nine digit 10 number in the IDENTIFICATION NUMBER section of the sheet starting with A. 3) Write your recitation section number in the spaces K, L in the SPECIAL CODES section. Single digits should be preceded by a 0 (e.g. section 1 is written as 01). 4) Fill in the circles on the sheet corresponding to the letters or numbers of your name, 10 and section with a #2 pencil. In all problen1s neglect the effects of air friction. 1. A student travels from Ames to Des Moines at an average speed of 65 miles per hour. If the distance is 35 miles how long does her trip take? (a) 25 min. @) 32 m~ (c) 40 min. (d) 65 min. (e) 111 min. 2. A physical quantity is given by C = A I B. If A = 2.17 and B = 0.042, what is the correct answer for C? (a) 51. (b) 51.6 (c) 51.7 ad) 5?) (e) 52.6 . 3. A car traveling at 30 mls is 200 m behind a truck traveling at 15 m/s. How long does it take the car to catch the truck if the speeds remain constant? (a) 7.0 s (b) 9.0 s (c) 11 s ~ (e) 17 s
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4. A 800 kg airplane needs to attain a speed of 50 mls to become airborne. What is the minimum average
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Exam1_2009 - PHYSICS 111 EXAM 1 FALL 2009 Please fill in...

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