Reading

Chapter 13 on Simple Harmonic Motion.  The book calls it "Periodic Motion" but there are periodic motions that are not harmonic – they are generally mathematically nastier then SHM.

Problems

Due in class on Wednesday, April 28.
  1. Assignment 10 our MasteringPhysics course site.  This is a longer and more "interesting" assignment than usual.
  2. Y&F end of chapter problems. 
    1. 13.27
    2. 13.41
    3. 13.57
    4. 13.64
    5. 13.68.  Think about the free body diagrams for each mass carefully.  Remember that the spring acts only on mass M.