The velocity factor (VF), also called wave propagation (relative) speed or (relative) velocity of propagation (VoP or v P {\displaystyle v_{\mathrm {P}...
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Darcy–Weisbach equation (redirect from Darcy friction factor)
V {\displaystyle V} : velocity of the fluid. g {\displaystyle g} : acceleration due to gravity. However, the friction factor f was expressed by Weisbach...
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corresponding Lorentz factor, the final is the reciprocal. Values in bold are exact. There are other ways to write the factor. Above, velocity v was used, but...
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Electrical length (section Velocity factor)
travels at a constant phase velocity along its length, while in ordinary cable phase velocity may vary. The velocity factor V F {\displaystyle {\mathit...
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Velocity is a measurement of speed in a certain direction of motion. It is a fundamental concept in kinematics, the branch of classical mechanics that...
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Speed of light (redirect from Velocity of light)
time dilation factor of γ = 2 occurs at a relative velocity of 86.6% of the speed of light (v = 0.866 c). Similarly, a time dilation factor of γ = 10 occurs...
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is polytetrafluoroethylene; ASP is air space polyethylene VF is the Velocity Factor; it is determined by the effective ϵ r {\displaystyle \epsilon _{r}}...
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to an object's energy as well. Proper velocity w can be related to the ordinary velocity v via the Lorentz factor γ: w = d x d t d t d τ = v γ ( v ) {\displaystyle...
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Wave (redirect from Wave propagation velocity)
equations Shive wave machine Sound Standing wave Transmission medium Velocity factor Wave equation Wave power Wave turbulence Wind wave Wind wave#Formation...
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nanosecond per 15 centimetres (5.9 in). See also radio propagation, velocity factor, signal velocity and mechanical wave. Logic gates can have a gate delay ranging...
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Front velocity Phase velocity Propagation delay Time of flight Velocity factor Dielectric constant Brillouin, Léon. Wave propagation and group velocity. Academic...
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000 ft/s). Several factors, including the type of firearm, the cartridge, and the barrel length, determine the bullet's muzzle velocity. For projectiles...
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relativity, a four-velocity is a four-vector in four-dimensional spacetime that represents the relativistic counterpart of velocity, which is a three-dimensional...
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electromagnetic wave to the speed of light in free space is called the velocity factor, and depends on the electromagnetic properties of the conductor and...
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The group velocity of a wave is the velocity with which the overall envelope shape of the wave's amplitudes—known as the modulation or envelope of the...
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Shear velocity, also called friction velocity, is a form by which a shear stress may be re-written in units of velocity. It is useful as a method in fluid...
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In celestial mechanics, escape velocity or escape speed is the minimum speed needed for an object to escape from contact with or orbit of a primary body...
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Network performance (section Interplay of factors)
200,000 km/s for most fiber or electrical media, depending on their velocity factor). This approximately means an additional millisecond round-trip delay...
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nerve conduction velocity (CV) is the speed at which an electrochemical impulse propagates down a neural pathway. Conduction velocities are affected by...
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Prism-coupling refractometry Velocity factor One consequence of the real part of n being less than unity is that it implies that the phase velocity inside the material...
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on the pendulum per unit velocity. The design of a high-energy (near terahertz) gyrotron considers both diffractive Q-factor, Q D ≈ 30 ( L λ ) 2 {\textstyle...
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Mathematically, the Slip factor denoted by 'σ' is defined as the ratio of the actual & ideal values of the whirl velocity components at the exit of the...
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Speed of sound (redirect from Velocity of sound)
missing the factor of γ but was otherwise correct. Numerical substitution of the above values gives the ideal gas approximation of sound velocity for gases...
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The velocity of money changes over time and is influenced by a variety of factors. Because of the nature of financial transactions, the velocity of money...
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mass and velocity), which to some degree reflects the recoil impulse from the firearm onto the shooter (see section on limitations). Power factor is used...
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Expansion of the universe (section Peculiar velocities)
The peculiar velocities of nonrelativistic particles decay as the universe expands, in inverse proportion with the cosmic scale factor. This can be understood...
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Ultraviolet catastrophe Undertow (wave action) Underwater wave Undular bore Velocity factor Vestigial-sideband modulation Vibrating string Voltage standing wave...
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Momentum is the speed or velocity of price changes in a stock, security, or tradable instrument. The Monthly Momentum Factor (MOM) can be calculated by...
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be calculated using Chapman-Jouguet theory from the velocity and density. TNT equivalent RE factor Cooper, Paul W. (1996). Explosives Engineering, New...
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lower velocity v {\displaystyle v} , given by a dimensionless parameter between 0 and 1 characteristic of the medium called the velocity factor V F {\displaystyle...
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