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Informal sessions:

o Tu 3:30-4:20pm, RAS 218;

o Fri 4-4:50pm, ECJ 1.204.

Lecture 32(iq28)

Selected topics in Chapter 13 and HW10

· Basic definitions and formula. See Lecture 28

· Rolling motion: A composite of translation and rotation

· Rolling down the incline

· A falling rod: |a_x| and |a_y| at B.

Oscillations:

· Total energy E

· Solution of the F=ma equation: d²x/dt²=-w²x.

· Uniform circular orbital motion vs simple harmonic oscillations

Reminders:

· Spend as much time as you can studying for Midterm 3.

· Tuesday informal session: I will give more reviews on unit 3. If you cannot attend, it is a good idea to arrange to borrow notes from your friends.

· Take a brief look at Chapter 15, especially the part related to uniform circular motion. Download HW12.