Midterm 1 Version A and C

# Midterm 1 Version A and C - 1 Physics 6B Katsushi Arisaka...

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Unformatted text preview: 1 Physics 6B January 24, 2011 Katsushi Arisaka First Midterm (Type A/C) Last Name: _______________________ First Name: ______________________ Student ID No. ____________________ Enrolled Lecture: 2 (Noon) / 3 (1pm) Exam Time: Noon / 1pm Important Remarks: • Sorry to tell you but during the exam, close books, close notes, no calculator is allowed; please just rely on your own brain. • Please use any open space on the exam for your solution. Please write down how you derived concisely (which helps you to get a partial credit, even if the final answer is wrong.) • Even if you finish early, please be seated quietly until the exam time is over. Points: Question Your Points Full Points 1 5 point × 6 = 30 2 5 point × 4 = 20 3 5 pts × 3 + 2 pts × 5= 25 4 5 point × 5 = 25 Total 100 Question: In this exam, we explore a simple mass-spring system only. A mass (with mass m ) is connected to a spring (with spring constant k ) as shown below. There is no friction on the floor. At t = 0, the mass stays at the initial position x = 0, where there is no force from the spring. Then the mass is suddenly hit by a hammer (from the right) and acquires the initial velocity v = -v 0 (to the left direction, v is positive value)...
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## This note was uploaded on 04/12/2011 for the course PHYSICS 6b taught by Professor Gruner during the Spring '10 term at UCLA.

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Midterm 1 Version A and C - 1 Physics 6B Katsushi Arisaka...

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