Classical Mechanics I

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Second Midterm Exam- The second midterm exam will be held in class on
Thursday November 16and cover material from Lectures 11-20 (Sept 28 - Nov 7). A practice exam is available here and the solutions are here.

Course Description- This course constitutes a core requirement for Physics majors or minors at the University of Illinois, and covers major topics from the field of classical mechanics. Topics covered include the kinematics and dynamics of classical systems, including a review of Newtonian kinematics and dynamics; three dimensional motion, variable mass, and conservation laws; damped and periodically driven oscillations; gravitational potential of extended objects and motion in rotating frames of reference; Lagrangian and Hamiltonian mechanics.

Instructors

- Prof. Benjamin Hooberman, 413 Loomis → benhoob @ illinois.edu
with "[phys325]" in the subject line

TAs

- Dmitrii Kochkov → kochkov2@illinois.edu

- Brandon Langley → blangle2@illinois.edu

Graders

- Kittithat Krongchon → krongch2@illinois.edu

- Kathryn Wang → xueying8@illinois.edu

- Mengdi Zhao → mengdiz2@illinois.edu
For specific questions about homework grading, please simply email the entire grader email list, and the appropriate grader will respond.

- Yu Ding → yud2@illinois.edu

Lecture

Loomis 151, Tuesdays and Thursdays, 12:00 - 1:20 pm

Discussions

Loomis 64, Monday evenings, one hour in the period 3:00-9:00pm. The exact time of your discussion will depend on the particular section for which you registered, see details here. Office hoursBeginning Thurs Aug 31

271 Loomis, Thurs 2-3 PM Wang 271 Loomis, Thurs 3-4 PM Hooberman 271 Loomis, Thurs 4-5 PM Langley 464 Loomis, Fri 2-3 PM Kochkov 464 Loomis, Fri 3-4 PM Krongchon 464 Loomis, Fri 4-5 PM Zhao Course Text Books- "Classical Mechanics" by John R. Taylor

- "Introduction to Classical Mechanics" by David Morin

which is available online @ UIUC Library; off-campus access needs VPN in Tunnel All modeSyllabus- See here.

Course Grade BreakdownHomework will be 25% of the total grade, discussion attendance 5%, and exams will count for 70%. Two mid-term exams are worth 15% each, and the final exam is 40%.

Homework due dates and timeHomework assignments are due at 6 PM on the following Monday.General Policy Regarding GradingHomework is considered essential to learning course material, and should be treated as training for future work rather than as a test of what you already know. You should start working on an assignment early, close to when it is posted on Friday. We encourage students towork together, andget helpfrom the professor or TAs when they encounter difficulties. We will happily explain difficult concepts during office hours and check your work for errors. For this reason, scores on homework are typicallyhigh(~95%). Don't make the mistake of starting your homework the day before it is due!

Partial credit will be given on homework and exams if and only if the work is coherent. A random scattering of thoughts will not be awarded points. Simple numerical errors will not be strongly punished, however students are expected to be careful about their work and will lose points for errors which give incorrect physical results. The steps to receiving partial credit are: (i) write your solution neatly and coherently using equations and words to describe what you are doing (ii) checking your answer for consistency e.g. are units correct, does the solution behave correctly in known limits? Write as though you are explaining the problem to somebody who doesn't already know the answer! Expect the exams to be challenging but to be curved accordingly.

**Formula Sheets**

1D Formulae

3D Calculus

Midterm #1

Midterm #2

Final

**Useful results from Phys 225** (Courtesy of Prof. Naomi Makins)

6 Basic Pieces

The meaning of Grad, Div and Curl

Strategy for integration in three dimensions