Contributor Avatar
Richard E. Berg
Contributor
BIOGRAPHY

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)
Watch a suspended vibrating spring to learn about the propagation of sound waves
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…
READ MORE