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Electron Speed Calculator
Calculate electron speed from energy or voltage
📖 Electron Speed
The Electron Speed estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.
📊 Result
💡 Tips & Information
- For low energies: v = √(2E/m)
- 1 eV = 1.602 × 10⁻¹⁹ J
- Electron rest mass: 9.109 × 10⁻³¹ kg
- At high energies, use relativistic formula
- Used in electron microscopy