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Instructor’s informal sessions:

• Tuesday 3:30-4:20, WAG 420
• Friday 4-5pm, RLM4.102.

Lecture 32

Examples of SHM.

• SHM: The x-projection of a uniform circular motion: x=A cos(wt+d).
• Uniform circular orbital motion vs simple harmonic oscillations
• Solution of the SHM-equation: d²x/dt²=-w²x.
• Symbols in circular motion vs oscillatory motion
• Total energy E
• From x₀, v₀ to A and d ( or f)
• More exercises.

Reminders:

· Spend most of your time to review for Midterm 3. (For review outline of HW8-10 see Lec31.)

· Take a brief look at Chapter 15 and begin HW12.

· Tuesday informal session: Overview on Chapter 15 and HW12.