Assertion: wave's speed | /r/HasProperty | constant
Facets:
Source sentences:
text: Since sound travels at 343 meters per second at standard temperature and pressure (STP), speed is a constant.
text: In a uniform medium, the wave travels at constant speed; each particle, however, has a speed that is constantly changing.
text: In a uniform medium, the wave travels at constant speed; each particle, however, has a speed that is constantly changing.