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    escape velocity

    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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      • The escape velocity is the minimum speed or velocity that an object should gain to overcome the gravitational field of earth and travel to infinite space without falling back. It totally depends on the mass of the massive body and the distance of the object from the massive body.
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  3. Aug 26, 2024 · Escape velocity is defined as the minimum velocity an object needs to achieve in order to escape the gravitational influence of a celestial body, such as a planet or a star, without further propulsion.

  4. Sep 7, 2024 · Event horizon, boundary marking the limits of a black hole. At the event horizon, the escape velocity is equal to the speed of light. Since general relativity states that nothing can travel faster than the speed of light, nothing inside the event horizon can ever escape beyond it, including light.

    • The Editors of Encyclopaedia Britannica
  5. en.wikipedia.org › wiki › RocketRocket - Wikipedia

    2 days ago · Multistage rockets are capable of attaining escape velocity from Earth and therefore can achieve unlimited maximum altitude. Compared with airbreathing engines , rockets are lightweight and powerful and capable of generating large accelerations .

  6. Sep 6, 2024 · Gravitational potential energy of an object is taken as zero at an infinite distance away from the source of the gravitational field. This means gravitational potential energy anywhere else takes on a negative value of − G M m r.

  7. Aug 30, 2024 · If this observer measures an object to move with velocity \( \mathbf{w} \) in his or her frame, then one measures the velocity of the object in the lab frame to be \( \mathbf{v} + \mathbf{w} \). As a result, there always exists a frame in which an object's velocity is greater than in its rest frame.

  8. Sep 2, 2024 · Minimum velocity required to free a body from the gravitational field of a celestial body or stellar system. Escape velocities

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