Richard E. Berg
Contributor
Supervisor, Teaching Support Services; Director, Lecture-Demonstration Facility, Department of Physics, University of Maryland, College Park. Coauthor of The Physics of Sound.
Primary Contributions (7)
Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. A purely subjective definition of sound is also possible, as that which is perceived by the ear, but such a definition is not particularly illuminating and is unduly restrictive, for it…
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