084f2db8c6 For systems of two bodies the term "escape velocity" is ambiguous, but it is usually intended to mean the barycentric escape velocity of the less massive body. The barycentric escape velocity is independent of the mass of the escaping object. ISBN1-4020-5441-6., Section 2.2.2, p. Near the Earth, the rocket's orbit will appear parabolic, but will become an ellipse around the Sun, except when it is perturbed by the Earth, whose orbit it must still intersect, and other bodies. Orbit[edit]. {displaystyle v{e}.} . ( K + U g ) i = ( K + U g ) f {displaystyle (K+U{g}){i}=(K+U{g}){f},} . The escape velocity relative to the surface of a rotating body depends on direction in which the escaping body travels. Escape velocity calculator Web-based numerical escape velocity calculator . Contents 1 Overview 2 Orbit 3 List of escape velocities 4 Calculating an escape velocity 5 Deriving escape velocity using calculus 6 See also 7 Notes 8 References 9 External links .
In these equations atmospheric friction (air drag) is not taken into account. so that gravity will never manage to pull it back). New York: St. ISBN978-0131495081. Access list of astrophysics formulas download page: . Note that all of this assumes the object receives no additional energy other than its initial kinetic energy, and the gravitational potential energy. ^ Bajaj, N. {displaystyle {v{infty }}^{2}=V^{2}-{v{e}}^{2}.} .
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