Physics114A_L28 - Physics 114A - Mechanics Lecture 28...

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Physics 114A - Mechanics Lecture 28 (Walker: Ch. 11.8-9) Rotational Dynamics March 1, 2011 John G. Cramer Professor Emeritus, Department of Physics B451 PAB [email protected]
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Announcements Homework #8 is due at 11:59 PM on Thursday, March 3.  Homework #9 is  due at 11:59 PM on Sunday, March 13.  There are still a few people who need to register their clickers. We will have Exam 3 on Friday, March 4. The format will be similar  to Exams 1 and 2, with assigned seating.  We will have a review for  Exam 3 on Thursday, March 3.  Bring questions and requests for more  on specific topics in Chapters 9-11. The CLUE Organization plans a special review for Physics 114  tomorrow, on Wednesday, March 2, 6-8 PM in 228 Mary Gates Hall. February 28, 2011 2/25 Physics 114A - Lecture 27
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March 1, 2011 Physics 114A - Lecture 28 3/25 Physics 114A - Introduction to Mechanics Lecture: Professor John G. Cramer Textbook: Physics, Vol. 1 (UW Edition), James S. Walker Week Date L# Lecture Topic Pages Slides Reading HW Due Lab 7 14-Feb-11 20 8 23 9-1 to 9-3 15-Feb-11 21 Momentum Conservation 11 24 9-4 to 9-5 17-Feb-11 22 10 22 9-6 to 9-7 HW6 18-Feb-11 23 Rotational Kinematics 13 30 10-1 to 10-3 8 21-Feb-11 H2 President's Day Holiday Angular Kinematics Torque 22-Feb-11 24 Rotational Inertia 5 24 10-4 to 10-5 24-Feb-11 25 Energy Conservation II 5 25 10-6 HW7 25-Feb-11 26 18 26 11-1 to 11-4 9 28-Feb-11 27 Angular Momentum 10 25 11-5 to 11-7 Rotational Motion, Mom.of Inertia 1-Mar-11 28 Rotational Dynamics 3 26 11-8 to 11-9 3-Mar-11 R3 Review & Extension - 49 - HW8 4-Mar-11 E3 EXAM 3 - Chapters 9-11 10 7-Mar-11 29 Gravity Revisited 16 29 12-1 to 12-3 Make-up labs 8-Mar-11 30 Gravitational Energy 10 29 12-4 to 12-5 10-Mar-11 31 Oscillations I 14 30 13-1 to 13-4 11-Mar-11 32 Oscillations II 12 32 13-5 to 13-8 HW9 14-Mar-11 FE Final Examination, 2:30 - 4:20 PM, Monday, March 14 (Comprehensive) Lecture Schedule (Part 3) We are here.
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March 1, 2011 Physics 114A - Lecture 28 4/25      A force  F  acting through a linear displacement  x  does  work:   W = F x .      Similarly, a torque  τ   acting through an angular  displacement  ∆ θ   does work:      The work-energy theorem applies as usual.
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Physics 114A - Lecture 28 5/25      Power is the rate at which work is done, for rotational  motion as well as for translational motion. Again, note the analogy to the linear form:
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This note was uploaded on 01/20/2012 for the course PHYSICS 114A taught by Professor Johncramer during the Winter '12 term at University of Washington.

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Physics114A_L28 - Physics 114A - Mechanics Lecture 28...

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