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183_notes:examples:momentumfast [2014/07/10 14:35] – caballero | 183_notes:examples:momentumfast [2024/01/30 14:18] (current) – [Setup] hallstein | ||
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=== Lacking === | === Lacking === | ||
- | * The mass of the electron is not given, but can be [[http://lmgtfy.com/? | + | * The mass of the electron is not given, but can be [[https://en.wikipedia.org/ |
=== Approximations & Assumptions === | === Approximations & Assumptions === | ||
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Finally, we compute the momentum vector. | Finally, we compute the momentum vector. | ||
- | $$\vec{p}_e = \gamma m_e \vec{v}_e = (1.02) (9.11\times10^{-31} kg) \langle -2.05\times10^7, | + | →pe=γme→ve=(1.02)(9.11×10−31kg)⟨−2.05×107,6.02×107,0⟩ms=⟨−1.91×10−23,5.61×10−23,0⟩kgms |