Move a sound source past a stationary observer. Watch wavefronts compress in front and stretch behind, see the frequency shift, and hear the pitch change as it passes.
Try:
Source (moving right)Observer (stationary)Wavefronts (speed of sound)
Source freq
700 Hz
Observed freq
700 Hz
Pitch shift
0.0%
Mach
0.00
Source speedv50 m/s
Source frequencyf700 Hz
Using this in your classroom? Share the URL directly on Google Classroom, or paste the embed code on Canvas, Moodle, Notion, or any LMS that allows iframes.