An electron is located in an electric field with strength $5 \times 10^{4}\,\text{V m}^{-1}$. No other influence acts on the electron. The mass and charge of an electron are known. Which quantity can be worked out without needing any further information?
- Athe force on the electron
- Bthe momentum of the electron
- Cthe kinetic energy of the electron
- Dthe speed of the electron