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- DictionaryEs·cape ve·loc·i·ty/əˈskāp vəˌläsədē/
noun
- 1. the lowest velocity which a body must have in order to escape the gravitational attraction of a particular planet or other object.
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What is escape velocity in astronomy & space exploration?
In celestial mechanics, escape velocity or escape speed is the minimum speed needed for an object to escape from contact with or orbit of a primary body, assuming: Ballistic trajectory - no other forces are acting on the object, including propulsion and friction
Escape velocity is the velocity needed for a body to escape from a gravitational centre of attraction without undergoing any further acceleration. Learn how to calculate escape velocity, compare it with orbital velocity, and explore its applications to Earth, Moon, and black holes.
- The Editors of Encyclopaedia Britannica
Dec 30, 2023 · Learn what escape velocity is, how to calculate it, and why it matters for space travel and astrophysics. Find the escape velocity values for various celestial bodies in a table.
Mar 13, 2024 · Learn the meaning of escape velocity, the minimum velocity that a moving body must have to escape from the gravitational field of a celestial body. See examples, word history, and related entries from Merriam-Webster dictionary.
If the kinetic energy of an object m 1 launched from a planet of mass M 2 were equal in magnitude to the potential energy, then in the absence of friction resistance it could escape from the planet. The escape velocity is given by.
Dec 5, 2022 · Escape velocity is defined as the minimum velocity required for an object to escape the gravitational force of a large object. The sum of an object's kinetic energy and its gravitational potential energy is equal to zero.
Learn what escape velocity is, how to calculate it, and why it is different for different celestial bodies. Find out the escape velocity of Earth and other planets, and watch a video to understand the concept clearly.
