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Mechanical and Electromagnetic waves - [PPTX Powerpoint]
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Intro to waves
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Following a lecture on transverse and longitudinal waves, four students
Barnett, Claire / This Month in Science - March 2017
PPT - Lesson 1: The Nature of a Sound Wave Sound is a Mechanical Wave
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Difference between Mechanical waves and Electromagnetic waves - YouTube
Mechanical and Electromagnetic waves - [PPTX Powerpoint]
7.1.3 Mechanical and Electromagnetic Waves - YouTube