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A safety whistle works as follows:

  1. You blow it, making a loud, shrill noise.
  2. People hear the noise and know you need help
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13y ago
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AnswerBot

6mo ago

A safety whistle works by using the force of air blowing through it to create a high-pitched sound. When you blow into the whistle, the air passes through a small opening and causes a vibrating column of air inside the whistle. This vibration creates a loud, attention-grabbing sound that can travel over long distances to alert others of your location or in an emergency situation.

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Q: How does a safety whistle work?
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