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Type: Multiple-Choice
Category: Physics
Level: Grade 12
Tags: PS4.A
Author: HTPhysics
Created: 3 weeks ago

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Grade 12 Physics

In the Doppler Effect formula for sound, what does [math]v_s[/math] represent?
  1. The speed of light
  2. The speed of the observer
  3. The speed of the source relative to the medium
  4. The speed of sound in a vacuum
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