Phy9ALabSpring08

# Phy9ALabSpring08 - PHYSICS 9A LAB MANUAL Spring 2008...

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PHYSICS 9A LAB MANUAL Spring 2008 Edition This lab manual belongs to _________________________________ LABORATORY EXPERIMENTS IN CLASSICAL MECHANICS The Staff of the Physics Department University of California, Davis, CA 95616 Physics 9 Lab Supervisor - Dr. Randy Harris

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Contents PHYSICS 9A LABORATORY MANUAL CONTENTS INTRODUCTION Page Purpose, Preparation, Laboratory Manual 2 Laboratory Instructor’s Role, Laboratory Reports, Coordination with Lectures, Attendance, Grading SUPPLEMENTS Page Using Data Studio 4 Percent Error/Difference 4 Significant Figures and Scientific Notation 5 Vernier Caliper 6 Error Analysis and Uncertainties 7 EXPERIMENTS Page Days Assigned * Position and Velocity 15 Mar 31-Apr 3 Kinematics 24 Apr 7-10 Newton’s Laws 34 Apr 14-17 Applying the Second Law 44 Apr 21-24 Energy 54 Apr 28-May 1 Momentum and Energy 62 May 5-8 Collisions in Two Dimensions 73 May 12-15 Torque 85 May 19-22 Rotational Dynamics 96 May 27-Jun 2 (Tue-Thu, Mon) * Labs meet Mondays through Thursdays only Updates and corrections, and late-breaking news may be found on the Physics 9 Lab website: http://www.physics.ucdavis.edu/Classes/Physics9Lab/Phy9ALab/
Introduction 2 INTRODUCTION TO THE LABORATORY PURPOSE “Tell me, I'll forget. Show me, I may remember. But, involve me, and I'll understand”.. Old Chinese proverb. The goal of the laboratories is to aid your understanding of physics through involvement in experiments. It is in the constant interplay between observations and hypotheses, experiment and theory, that physics has been able to come to a detailed although incomplete knowledge of the world. PREPARATION Before the first meeting of the lab, you should read all of this introduction thoroughly and look through all of the Supplements to see what is expected and what this manual contains. Before each laboratory begins, you are expected to prepare by reading the writeup in this manual. To ensure that you are properly prepared, each lab has a prelab. The prelabs are one page of short questions intended to make sure that you see the most important points in the coming lab and are acquainted with certain tasks, without which you would waste much valuable lab time. We understand that it is always possible for the unforeseen to slow you down in lab, but don’t expect much sympathy from your laboratory instructor if you are unable to complete the lab due simply to wanton lack of preparation. The material in the Supplements won’t all be needed right away. The prelabs for some experiments refer specifically to the Supplements, and so should give you a good idea of when a certain supplement will be needed, but you should be sufficiently acquainted with the Supplements to recognize when they are relevant without this being specifically mentioned. The prelabs are to be completed and turned in at the beginning of the corresponding lab meeting. (Note: There is no prelab to be turned in at the beginning of the first lab.) The dates of each experiment are given in the Table of Contents. A short quiz on your preparation may be given at the beginning of the lab period, particularly if it becomes clear that students are not coming in sufficiently prepared. Finally, because the

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