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C8-01: GIANT PENDULUM 8 years 4 months ago #50

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ID Code: C8-01
Purpose: Demonstrates conservation of energy
Description: The instructor backs up against the ladder/plywood backdrop, holds the pendulum bob up to his or her chin, and releases it. Because of conservation of energy the bob will swing across the stage and return to its original position adjacent to the instructor's chin, but without hitting his or her chin. Despite the wariness of the students, the pendulum bob cannot rise to a height greater than its original height, and the instructor is safe.
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Last edit: by zzfixk21.

C8-01: GIANT PENDULUM 6 years 2 months ago #1710

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Not how to do it: xkcd.com/1670/

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