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Physics114A_L06 - Physics 114A Mechanics Lecture 6(Walker...

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Physics 114A - Mechanics Lecture 6 (Walker: 3.4-5) The r , v , and a Vectors January 12, 2012 John G. Cramer Professor Emeritus, Department of Physics B451 PAB [email protected]
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January 12, 2012 Physics 114A - Lecture 6 2/24 Announcements Because of recent problems with WebAssign, I have moved the due date for Assignment #1  to 11:59 PM on Tuesday, January 17.  Now all 215 registered students have WebAssign  Accounts.  Good!  Assignment #2 is still due at 11:59 PM on Thursday, January 19. Register your clicker using the “Clicker” link on the Physics 114A Syllabus page.  So far  188/215 students have registered their clickers.  You may talk to your neighbors during a  clicker session.  If your clicker ID is not appearing, reset it to Channel 01 and/or if  necessary, get closer to the pickup antenna. We will have Exam 1 on Friday, January 20.  It will be about 75% multiple choice and  25% free response.  The questions will be based on Walker “2-dot” end-of-chapter questions.   There will be assigned seating.  If you wish a left-handed seat, a right-handed aisle seat, or  a front row seat, send your request to me by E-mail.
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January 3, 2012 Physics 114A - Lecture 1 3/21 Physics 114A - Introduction to Mechanics - Winter-2012 Lecture: Professor John G. Cramer Textbook: Physics, (Edition: UW Vol. 1 or Complete 4th), James S. Walker Week Date L# Lecture Topic Pages Slides Reading HW Due Lab 1 2-Jan-12 H1 New Year Holiday No Lab 1st week 3-Jan-12 1 Introduction to Physics 12 21 Chapter 1 5-Jan-12 2 Position & Velocity 8 22 2-1 to 2-3 No HW 6-Jan-12 3 Velocity & Acceleration 10 25 2-4 to 2-5 2 9-Jan-12 4 Equations of Motion 9 20 2-6 to 2-7 1-D Kinematics 10-Jan-12 5 Vectors 8 24 3-1 to 3-3 12-Jan-12 6 r, v & a Vectors 5 24 3-4 to 3-5 HW1 13-Jan-12 7 Relative Motion 3 18 3-6 3 16-Jan-12 H2 MLK Birthhday Holiday Free Fall & Projectiles 17-Jan- 12 8 2D Motion Basics 5 19 4-1 to 4-2 19-Jan-12 9 2D Examples 13 22 4-3 to 4-5 HW2 20-Jan-12 E1 EXAM 1 - Chapters 1-4 Lecture Schedule (Part 1) We are here.
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January 12, 2012 Physics 114A - Lecture 6 4/24 Unit Vectors       Unit vectors are dimensionless vectors of unit length.  For  example, the vector             has magnitude (with units)  A x  and  points along the +x axis.
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