# exam2-F06 - Name: _ Exam #2 Physics I Fall 2006 If you...

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Name: _______________________________________________________________________ Exam #2 Physics I Fall 2006 If you would like to get credit for having taken this exam, we need your name (printed clearly) at the top and section number below. Your name should be at the top of every page. Section # _____ 1 M/R 8-10 (Bedrosian) _____ 2 M/R 10-12 (Bedrosian) _____ 3 M/R 12-2 (Zhang) _____ 5 M/R 2-4 (Schroeder) _____ 6 T/F 10-12 (Wetzel) _____ 7 T/F 12-2 (Wetzel) _____ 8 T/F 2-4 (Eah) _____ 9 M/R 4-6 (Bedrosian) _____ 10 T/F 12-2 (Eah) You may not unstaple this exam. Only work written on the same page as the question will be graded. Cheating on this exam will result in an F in the course. 1 Questions Value Score A 32 B-1 20 B-2 20 C 28 Total 100

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Name: _______________________________________________________________________ On this exam, please neglect any relativistic and/or quantum mechanical effects. If you don’t On all multiple-choice questions, choose the best answer(s) in the context of what we have learned in Physics I. On graphing and numerical questions (Parts B and C), show all work to receive credit. Write your choice(s) on the line to the left of the question number. Questions on this page are worth 4 points each. _______ 1. Which equation on the Formula Sheet best expresses the definition of potential energy? Write the number to the left. _______ 2. A force, F , has the following property: the right-hand side of Equation 20 on the Formula Sheet always gives exactly zero whenever the initial and final points of integration are the same point. What can you correctly conclude? A) F is a conservative force. B) Momentum is conserved for any system acted on by F C) The direction of F is at a right angle to the motion of the system it acts upon. D) F cannot change the kinetic energy of the system it acts upon. _______ 3. An ice skater begins a spin with her arms out. As she brings her arms in closer to her body, her angular speed increases. After a few seconds, she extends her arms out again, her angular speed slows back to its original value, and then she breaks out of the spin to complete her performance. Neglecting the friction of her skates on the ice and air resistance during the spin, what principle of physics should you A) Conservation of linear kinetic energy.
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## This test prep was uploaded on 04/22/2008 for the course PHYSICS 1100 taught by Professor Grassers during the Spring '08 term at Rensselaer Polytechnic Institute.

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exam2-F06 - Name: _ Exam #2 Physics I Fall 2006 If you...

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