Convert Speed of Sound in Pure Water (vₕ₂ₒ) to Cosmic Velocity - Third (v₃) instantly.
About these units
Speed of Sound in Pure Water (vₕ₂ₒ)
The speed of sound in pure water is approximately 1,480 m/s at room temperature, though it varies with temperature and pressure. Sound travels faster in water than in air because water molecules are more tightly packed, allowing vibrations to propagate more efficiently. This speed is critical for sonar systems, underwater communication, acoustic research, and marine biology. Whales, dolphins, and submarines all rely on sound propagation through water, where visibility is extremely limited. Understanding vₕ₂ₒ allows accurate modeling of ocean acoustics, ranging from climate studies to naval operations.
Cosmic Velocity - Third (v₃)
The third cosmic velocity is the speed required to escape the entire Solar System from Earth's orbit, overcoming the gravitational pull of the Sun. This speed is approximately 16.7 km/s, though missions often achieve this gradually using gravitational assists rather than brute-force acceleration. Space probes such as Voyager 1, Voyager 2, and New Horizons have exceeded v₃, making them interstellar travelers. The third cosmic velocity represents the threshold where an object ceases to be bound to the Sun and begins drifting through the galaxy—one of the most profound expansions of human technological capability.