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The Doppler Effect & Redshift with Dr J - YouTube
Sound travels through air. If an ambulance or a fire truck or a police car is moving towards you, it compresses the air ahead of it and the pitch goes higher...
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- Category:
- Pop Science
- Uploaded By:
- SciencewithDrJ
- Date:
- Oct 21, 2017
- View Count:
- 629
- Comment Count:
- 2