Lecture Demos: 3B20.11

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Stretched Slinky

Stretched Slinky

A long slinky is stretched along a bench or the floor, and a compression pulse is used to show a longitudinal wave.

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Set up time: 
2 minutes
Physics and Science Concepts: 
Longitudinal Waves
Lay the slinky down on the ground and push it back and forth lengthwise to make longitudinal waves.
Ends of slinky may be sharp or may tangle.

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