3B40.10 - Doppler Effect - Buzzer and String

Code Number:
Demo Title:
Doppler Effect - Buzzer and String
Doppler Effect on Sound Waves
Area of Study:
9 Volt Battery Tied to a String, Piezo Buzzer to Attach to 9 Volt Battery, and Foam Ball.

Attach the Piezo buzzer to the 9 volt battery that is tied to the string.  Swing the unit overhead and listen to the effect.

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