This HTML5 document contains 12 embedded RDF statements represented using HTML+Microdata notation.

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Namespace Prefixes

Prefix	IRI
n2	http://qudt.org/vocab/quantitykind/
n7	http://qudt.org/vocab/unit/
n4	http://qudt.org/schema/qudt/
skos	http://www.w3.org/2004/02/skos/core#
n9	http://qudt.org/vocab/dimensionvector/
rdfs	http://www.w3.org/2000/01/rdf-schema#
n3	http://www.linkedmodel.org/schema/vaem#
n6	http://qudt.org/2.1/vocab/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdh	http://www.w3.org/2001/XMLSchema#

Statements

Subject Item

n2:GroupSpeedOfSound

rdf:type

n4:QuantityKind

rdfs:label

Group Speed of Sound

rdfs:isDefinedBy

n6:quantitykind

skos:broader

n2:SpeedOfSound

n3:todo

belongs to SOQ-ISO

n4:applicableUnit

n7:GigaHZ-M n7:KiloHZ-M

n4:hasDimensionVector

n9:A0E0L1I0M0H0T-1D0

n4:informativeReference

http://en.wikipedia.org/wiki/Speed_of_sound

n4:latexDefinition

\(c_g = \frac{d\omega}{dk}\), where \(\omega\) is the angular frequency and \(k\) is angular wavenumber.

n4:plainTextDescription

In a dispersive medium sound speed is a function of sound frequency, through the dispersion relation. The spatial and temporal distribution of a propagating disturbance will continually change. The group speed of sound describes the propagation of the disturbance.

n4:symbol

c