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Lectures
Lecture: 14 Chapter 4 (iq11)
1. Coefficient of static friction and coefficient of
kinetic function
2. “Speed of sound in a solid medium”
3. A simple case: Mass spring oscillation
o x vs
t
o vx vs
t
o Oscillation period T
4. Speed of sound: “omega d”
o Intuitive reasoning
o Speed of sound in Al
Announcement:
Review the course materials: A check list.
o
Textbook figures,
examples, clicker questions
o
Exercises with X designation,
which have answers at the end of the chapters.
o
Homework problems
o
More challenging
problems covered in group discussions (and in lectures)
o
Model reflections