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Velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Velocity

Angular velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Angular_velocity

... with respect to the velocity vector 2.4 Coordinate-free description 2.5 Angular velocity as a vector field 3 Rigid body considerations 3.1 Consistency 4 Angular velocity symbol 5 See also 6 References 7 External links Angular velocity of a ...

Relative velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Relative_velocity

... example into an equation: where: is the velocity of the M an relative to E arth. is the ve-locity of the M an relative to the T rain. is the velocity of the T rain relative to E arth. Fully legitimate expressions for " the velocity of A ...

Phase velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Phase_velocity

... in most cases. This shows a wave with the group velocity and phase velocity going in different directions. The group velocity is positive, while the phase velocity is negative. [ 1 ] The phase velocity of a wave is the rate at which the ...

Group velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Group_velocity

... of deep water. The red dot moves with the phase velocity , and the green dots propagate with the group velocity. In this deep-water case, the phase velocity is twice the group vel-ocity. The red dot overtakes two green dots when moving from ...

Flow velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Flow_velocity

Drift velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Drift_velocity

Drift velocity - Wikipedia, the free encyclopedia Drift velocity From Wikipedia, the free en-cyclopedia Jump to: navigation , search The drift velocity is the flow velocity that a particle, such as an electron , attains due to an electric ...

Four-velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Four-velocity

... relativity and general relativity , a four-velocity is a four-vector (vector in four-dimensi-onal spacetime ) that replaces velocity (a three-dimensional vector). Events are described in time and space, together forming four-dimensional ...

Particle velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Particle_velocity

... measure of particle velocity in comparison to a reference level. Particle velocity level, denoted L v and measured in dB , is given by: where: v is the particle velocity, measured in m·s −1 ; v 0 is the reference particle velocity, ...

Terminal velocity - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Terminal_velocity

... Contents 1 Examples 2 Physics 2.1 Derivation for terminal velocity 2.2 Terminal velocity in creeping flow 2.2.1 Applications 2.3 Finding the terminal velocity when the drag coefficient is not known 3 Terminal velocity in the presence of ...

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