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Kinetic Energy of a Rolling Disk
# 1Q20.30

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Demo References
The Video Encyclopedia of Physics Demonstrations Disc 06-05 A spool rolls down an incline on its central radius.
Sutton M-165 A spools rolls down a narrow incline on its axle. When it reaches the bottom, it rolls on the diameter of the outer discs.
Freier and Anderson Mr-4 A large spool is rolled down an incline on its small axle. When the outer discs reach the table, the thing takes off.
The Physics Teacher TPT 10(4),210 A large version of the rolling spool (16" dia.) is used as a lab. Construction hints and complete analysis.

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