207exam1_S07_vers21withanswers

207exam1_S07_vers21withanswers - First Name: _ Last Name:_...

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First Name: ____________________ Last Name:_____________________ Section: ________ pg 1 February 21, 2007 Physics 207 EXAM 1 Please print your name and section number (or TA’s name) clearly on all pages. Show all your work in the space immediately below each problem. Your final answer must be placed in the boxes provided . Problems will be graded on reasoning and intermediate steps as well as on the final answer. Be sure to include units wherever necessary, and the direction of vectors. Each problem is worth 20 points . Try to be neat! Check your answers to see that they have the correct dimensions (units) and are the right order of magnitude. You are allowed one sheet of notes (8.5” x 11”, 2 sides), a calculator, and the constants in this exam booklet. The exam lasts exactly 90 minutes. Constants: Acceleration due to gravity at the earth’s surface: g = 9.81 m/s 2 Avogadro’s Number: N A = 6.02 x 10 23 molecules/mole 1 metric ton = 1000 kg Radius of the Earth = 6.4 x 10 6 m (Do not write below) SCORE: Problem 1: __________ Problem 2: __________ Problem 3: __________ Problem 4: __________ Problem 5:___________ TOTAL: ___________ Don't open the exam until you are instructed to start. Please relax and think calmly .
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First Name: ____________________ Last Name:_____________________ Section: ________ pg 2 PROBLEM 1 Suppose a one-dimensional motion of an object of mass is found to have its acceleration given by
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This note was uploaded on 04/01/2008 for the course PHYS 207 taught by Professor Winnokur during the Spring '06 term at University of Wisconsin.

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207exam1_S07_vers21withanswers - First Name: _ Last Name:_...

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