escape velocity
gives the initial velocity required to escape from an isolated spherically symmetric object at radius r.
symbols, variables and units
v_e：m/s；G：m³/(kg·s²)；M：kg；r：m。
applicable conditions and boundaries
ignores the atmosphere, celestial body rotation and other gravitational sources, and has no subsequent advancement.
formula source code
The following is a copyable LaTeX expression.
v_e=\sqrt{\frac{2GM}{r}}Reference and Extended Learning
NASA · Basics of Space Flight ↗is organized according to model definition and assumptions. Please check actual conditions and original literature before engineering, research and clinical use.
escape velocityescape