7 Different waves travel at different speeds.
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Different waves have distinctive properties that affect their speeds. For example, sound waves travel faster in water than in air because water molecules are closer together, allowing sound to transmit more quickly. In contrast, light waves travel at incredible speeds in a vacuum, around 299,792 kilometers per second, but slow down when passing through denser mediums like glass, demonstrating how different environments impact wave behavior. In practical terms, the speed of waves is crucial in various fields. For instance, engineers must consider wave speed when designing buildings in earthquake-prone areas to ensure structures can withstand seismic waves. Similarly, telecommunications rely on radio waves' speed for efficient signal transmission, enhancing everything from cell phone communication to satellite data transfer.