Module 7 Introduction to Waves Video. Authored by: Sarah Liechty. Provided by: Ivy Tech. Located at: http://ivytech.edu. License: CC BY: Attribution
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Introduction to waves | Mechanical waves and sound | Physics | Khan Academy. Provided by: Khan Academy. Located at: https://www.youtube.com/watch?v=c38H6UKt3_I. License: All Rights Reserved. License Terms: Standard YouTube License
