Exam2-full-sample - TEST FORM A PHYS 172 Spring 2008 EXAM 2...

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1 TEST FORM A PHYS 172 Spring 2008 EXAM 2 There are two parts to Exam 2: the machine-graded part of this test, and the last page that you turn in to be graded by hand. Machine Answer Sheet: Using a pencil, fill in Last Name, First Name, & Middle Initial, plus your 10-digit Purdue University ID number. Enter course (PHYS 172) and Test (2). Leave “Section” blank. You must include your Signature. Important : Enter the Test Form that appears on the upper right of this page (A, B, C, or D). The seven machine-graded problems are worth 10 points each (70 points total). Hand-Graded Sheet : Enter your Name, Signature, PUID, and circle your Recitation Section . The hand-graded portion is worth a total of 30 points. When finished with both parts, bring them to the front of the classroom, show your Purdue ID card to the Instructor, and turn in the machine-graded answer sheet and the hand-graded answer sheet at the same time. These two parts together are worth 100 points total. Your grades will appear in the CHIP gradebook before the next lecture. An answer key will be posted soon on the course home page. You may keep this copy of the exam. ************************************************************************ Some useful information : U spring = 1 2 k s x 2 g = 9.8 N/kg c = 3 × 10 8 m/s 1 k = 1 e 3 1 eV=1.6 · 10 -19 J 1 M = 1 e 6 ************************************************************************ 2 mv dp dt R ⎛⎞ ⎜⎟ ⎝⎠ r r s k m ω = spring s Fk s =− Δ r r thermal E C mT Δ
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2 Problem 1: The following program models the motion of a block on the end of a spring. The other end of the spring is attached to the ceiling. The initial position of the block is not directly under the point the spring is attached. The block is initially motionless.
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This note was uploaded on 09/14/2009 for the course ENGR 126 taught by Professor Oakes during the Fall '08 term at Purdue University-West Lafayette.

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Exam2-full-sample - TEST FORM A PHYS 172 Spring 2008 EXAM 2...

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