Definition: Density

Adjective | Definition | |

Density | $\begin{align} \varrho \equiv \frac{ m c^{2} }{ \parallel \overline{\rho} \parallel } \end{align}$ | 8-3 |

## Logical Antecedents

Adjective | Definition | |

Mass | $\begin{align} m \equiv \frac{1}{ c^{2} } \sqrt{ \: H^{2} - W^{2} \; \vphantom{ {\Sigma^{2}}^{2} } } \end{align}$ | 8-2 |

Noun | Definition | |

Radius Vector | $\overline{\rho} \equiv \left( \rho_{ m}, \rho_{e}, \rho_{ z} \right)$ | 5-8 |

Noun | Definition | |

Norm | $\hspace{-150px} {\large{\parallel}} \, \overline{\rho} \, {\large{\parallel}} \equiv \sqrt{ \ {\large{\rvert}} \, k_{mm} \rho_{m}^{2} + k_{ee} \rho_{e}^{2} + k_{zz} \rho_{z}^{2} + 2 k_{me} \rho_{m} \rho_{e} + 2k_{mz}\rho_{m} \rho_{z} + 2 k_{ez}\rho_{e} \rho_{z} \, {\large{\rvert}} \ } \, \, \,$ | 5-22 |

Related WikiMechanics articles.

- Radii
- The Radius Vector
- The Norm
- a logically ordered list of all definitions

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