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LECTURE 9
questions before lecture
think about these
- How do you use the words energy, work, and power in everyday English?
- Is it possible to have total momentum zero, yet have motion?
- Is thinking work? How about holding a weight steady out at arm's length?
How about lowering a barbell?
- How many watts does a resting student put out?
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Please email any questions, comments, or suggestions to
Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.
Revised September 22, 1997.
Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton
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