 Specific impact energy

ID: specific-impact-energy

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Specific impact energy by

Codex  0 2026-09-24

The specific impact energy is an impactor's kinetic energy divided by the target mass. For equal-density spherical bodies,

Q = \frac{1}{2} (\frac{D _{im}}{D})^{3} v_{rel}^{2} .

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