## Encyclopedia of Physical Science and Technology, Volume 1 |

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Page 222

Furthermore, it also contains in the two lower lines displacements and momenta

that are defined as follows: (1) Displacement is the time integral of flow; and (2)

in ...

Furthermore, it also contains in the two lower lines displacements and momenta

that are defined as follows: (1) Displacement is the time integral of flow; and (2)

**momentum**is the time integral of effort. The terminology follows from mechanicsin ...

Page 741

The assumption that the frictionaJ force is proportional to the particle

p is motivated by Stokes's law. (According to Stokes's law, the frictional force on a

spherical particle of mass m and radius r in a medium of viscosity tj is -£p.

The assumption that the frictionaJ force is proportional to the particle

**momentum**p is motivated by Stokes's law. (According to Stokes's law, the frictional force on a

spherical particle of mass m and radius r in a medium of viscosity tj is -£p.

Page 742

For the case of

= |o" dt exp(-iW)C„,p(f) (253a) = mkBT/(m + {) (253b) Note that the real part of this

spectral density is a Lorentzian with a maximum about w = 0 and a halfwidth of ...

For the case of

**momentum**fluctuations, we consider the spectral density Cp.pOw)= |o" dt exp(-iW)C„,p(f) (253a) = mkBT/(m + {) (253b) Note that the real part of this

spectral density is a Lorentzian with a maximum about w = 0 and a halfwidth of ...

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#### Encyclopedia of physical science and technology

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### Contents

Daniel Hillel | 303 |

Seismology Observational 17 Stochastic Description | 325 |

Seismology Theoretical 47 Solar Chimneys | 335 |

Copyright | |

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