3B20.10 - Hanging Slinky

Move the masses on the end exciters to give the desired frequency.  Start the exciters and observe the longitudinal waves travel down the slinky.
Code Number:
3B20.10
Demo Title:
Hanging Slinky
Condition:
Excellent
Principle:
Longitudinal Waves
Area of Study:
Acoustics
Equipment:
Hanging Slinky Apparatus
Procedure:

Move the masses on the end exciters to give the desired frequency.  Start the exciters and observe the longitudinal waves travel down the slinky.

References:
  • Elisha Huggins, "Speed of Wave Pulses in Hooke's Law Media", TPT, Vol. 46, # 3, March 2008, p. 142.
  • "A Longitudinal Wave Machine", TPT, Vol. 27, # 1, Jan. 1989, p. 54.
  • John F. Spivey, "Versatile Mount for Slinky Wave Demonstrator", TPT, Vol. 20, #1, Jan. 1982, p. 52.
  • Leon M. Reynolds, "Apparatus - Folding Slinky Wave Demonstrator", TPT, Vol. 16, # 9, Dec. 1978, p. 652.
  • Richard A. Young, "Longitudinal Standing Waves on a Vertically Suspended Slinky", AJP, Vol. 61, #4, Apr. 1993, p. 353.
  • Guy Vandegrift, T. Baker, J. DiGrazio, A. Dohne, A. Flori, R. Loomis, C. Steel, and D. Velat, "Wave Cutoff on a Suspended Slinky", AJP, Vol. 57, #10, Oct. 1989, p. 949.
  • Julian Blake and L. N. Smith, "The Slinky as a Model for Transverse Waves in a Tenuous Plasma", AJP, Vol. 47, #9, Sept. 1979, p. 807.
  • A. D. Bulman, "A Standing-Wave Apparatus", Model-Making for Physics, p. 53.
  • David Kutliroff, "15, Other Wave Demonstrators", 101 Classroom Demonstrations and Experiments For Physics Teachers, p. 41.
  • Borislaw Bilash II, “Slinky Waves“, A Demo A Day – A Year of Physical Science Demonstrations, p. 302.

 

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