sound
Post on 06-Jan-2016
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SOUND. By Deborah Kim Kishan Patel. SOUND. Sound are produces by vibrations Pitch Infrasonic Ultrasonic. Speed of Sound. Dry air at o° - 330 MPS or about 1200 KPH One millionth of speed of light Increase temp. increase sound. Sound in Air. Example slinky Door. - PowerPoint PPT Presentation
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