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Original price was: $31.99.$22.39Current price is: $22.39.
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- The buzzer is 92 dB while standing still, when spun a student can easily hear the shift in frequency
- Buzzer housing has a simple on/off switch and is constructed of rugged ABS plastic
- Nylon cord is 2’8″ attached to a rugged ABS handle 8.5in long, 1in diameter)
- Demo comes with a 9V battery installed
The perfect demonstration of the Doppler effect in a classroom (with caution of course). Swing the Doppler effect apparatus and students will be able to hear the change in frequency
Be the first to review “Doppler Effect Demonstration Apparatus, 92dB Buzzer, 0.8m Tether”
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