Physics114B_R03 - Physics 114B Mechanics Review for Exam...

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May 28, 2009 Physics 114B - Review 03 1/56 Physics 114B - Mechanics Review for Exam 3 (Walker: Chapters 9-11) May 28, 2009 John G. Cramer Professor of Physics B451 PAB [email protected]
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May 28, 2009 Physics 114B - Review 03 2/56 Announcements New seat assignments for Exam3 arenow posted on Tycho. Makea noteof yours before you cometo theexamon Friday. Homework Assignment 7 is dueat 11:59 PM on Thursday, May 28 (tonight!). Homework up to 24 hours latewill receive70% credit. Therearestill peoplewho need to register their clickers.
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May 28, 2009 Physics 114B - Review 03 3/56 About Exam 3 On Friday, May 29 (tomorrow) wewill haveExam 3, which covers Walker, Chapters 9, 10 and 11 and my lectures 21-29. Exam 3 will have assigned seating . Look for “Seating” on Tycho to get your seat assignment before Exam 3. I will also bring a list. Exam 3 is closed-book, but you may bring with you onepageof notes on a 8½x11” sheet of paper (both sides). Bring a Scantron sheet and a scientific calculator with good batteries. Exam 3 will havea multiple-choicesection (60 pts) based on questions taken from lectureexample problems and “two-dot” end-of-chapter problems in Walker. Exam 3 will havea free-responsesection (20 pts) based on a selected problem from theTycho homework assignments 6 and 7. Exam 3 will havea free-responsesection (20 pts) based on “Conceptual Questions” from end-of- chapter qualitativequestions in Walker requiring written answers.
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May 28, 2009 Physics 114B - Review 03 4/56 EXAM 3 - Chapters 9-11 E3 29-May-09 - 49 - Review & Extension R3 28-May-09 11-8 to 11-9 26 3 Rotational Dynamics 29 26-May-09 Rotational Motion, Moment.of Inertia Memorial Day Holiday H1 25-May-09 9 11-5 to 11-7 25 10 Angular Momentum 28 22-May-09 11-1 to 11-4 26 18 Torque & Equilibrium 27 21-May-09 10-6 25 5 Energy Conservation II 26 19-May-09 Angular Kinematics Torque 10-4 to 10-5 24 5 Rotational Inertia 25 18-May-09 8 10-1 to 10-3 30 13 Rotational Kinematics 24 15-May-09 HW6 9-6 to 9-7 22 10 Collisions & CM 23 14-May-09 9-4 to 9-5 24 11 Momentum Conservation 22 12-May-09 Mom. & Collisions 9-1 to 9-3 23 8 Momentum & Impulse 21 11-May-09 7 Lab HW Due Reading Slides Pages Lecture Topic L# Date Week Textbook: Physics, Vol. 1 (UW Edition), James S. Walker Lecture: Professor John G. Cramer Physics 114B - Introduction to Mechanics Lecture Schedule (Part 3) We are here. HW7
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May 28, 2009 Physics 114B - Review 03 5/56 Chapter 9 Linear Momentum and Collisions
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May 28, 2009 Physics 114B - Review 03 6/56 Units of Chapter 9 1. Linear Momentum 2. Momentum and Newton’s Second Law 3. Impulse 4. Conservation of Linear Momentum 5. Inelastic Collisions 6. Elastic Collisions
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May 28, 2009 Physics 114B - Review 03 7/56 1. Center of Mass 1. Systems with Changing Mass: Rocket Propulsion Units of Chapter 9
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May 28, 2009 Physics 114B - Review 03 8/56 Summary of Chapter 9 Linear momentum: Momentumis a vector Newton’s second law: Impulse: Impulseis a vector Theimpulseis equal to thechangein momentum If thetimeis short, the forcecan bequitelarge
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May 28, 2009 Physics 114B - Review 03 9/56 Example: Hitting a Baseball (1) A 150 g baseball is thrown at a speed of 20 m/s. It is hit
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