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# PhYS 1500 Chapter 9

### Chapter 9

QuestionAnswe
Natural Resonance Energy in an isolated system of objects that causes it to preform the same motion over and over again.
Oscillation Restoring forces that result in a repeating motion.
Period The time it takes to complete one full cycle of an oscillation.
Harmonic Oscillator Restoring forces are proportional to its displacement from equilibrium.
Anharmonic Oscillator Restoring forces cease to be equal to its displacement from equilibrium.
Hertz cycle per second/ SI unit of frequency.
Pitch Frequency of a sound.
Fundamental Vibrational Node When the strong arcs completely one way and then the other, the center of the strong travels the furthest, and maximum potential and kinetic energy is reached.
Mechanical Wave Created through artificial means. (Music)
High Order of Vibrational Modes String vibrates as a chain of shorter strings arching in alternate directions.
Superposition When waves stand on top of one another.
Resonant Energy Transfer When modest force does work in synchronicity with natural resonance.
Longitudinal Wave Wave in which the underlying oscillation is parallel to the wave itself.
Traveling Waves Waves that move steadily in a particular direction.
Dopler Effect When the frequency of sound shifts because of a change in distance between the source and where is being heard.
Dispersion When wave length is dependent on speed.
Refraction Water shallows when a wave changes direction.
Reflection When a wave bounces off a wall such as a cliff or dock.
Interference Waves overlap each other.
Constructive Interference Waves work together to create immense crests or troughs.
Destructive Interference Waves lack crests of trough because they interfere with one another.
Created by: csueb4ever
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