WAVES AND OSCILLATIONS - WAVE MOTION - DOPPLER EFFECT	Order
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Description: A variable speed motor rotates an arm with a reed at one end. This demonstration can be dangerous. We recommend the Doppler Ball Purchased/Built: purchased Quant. in Demo Room: 1 Demo References Hilton S-6b An adjustable speed motor rotates an arm with a reed at the end. Freier and Anderson Si-2 A reed on an arm is rotated by a motor. The American Journal of Physics AJP 30(4),307 Swing an earphone driven by an audio oscillator suspended as a pendulum.
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