Wednesday, November 28, 2001
Announcements:
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Web projects are due today and peer review will begin tomorrow on WebAssign.
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Each student is required to review the next group number's site, and one
other of site of your choice.
Chapter 13: Vibrations and Waves
Ponderables:
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Examples and applications of SHM: rocking chair, vibrating vocal
chords, NMR, blue sky, drug testing...
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If the length of a pendulum is doubled, what happens to its period of oscillation?
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How does the frequency of oscillation of a pendulum depend on amplitude?
What about damping?
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Would the period of a pendulum increase, decrease, or stay the same in
a vacuum?
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A simple pendulum exhibits SHM for small angles. At what angle is
the error in the period larger than 1%?
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How is a physical pendulum different from a simple pendulum?
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What happens to the period of a mass-spring system if the mass is doubled?
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What happens to the period if the spring is cut in half?
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Why are car radio antennas about a meter long?
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How does the speed of sound depend on frequency?
Assignments:
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RWP13 (due Friday)
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Web Project evaluations (due Monday)
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HW13b (due Monday)