velocity factor

См. также в других словарях:

• Velocity of propagation — (VoP) or velocity factor (VF) is a parameter that characterizes the speed at which an electrical signal (e.g. radio) passes through a medium. Expressed as a number between 0 and 1 (or a percentage), it is the ratio of a signal s transmission… …   Wikipedia

• Velocity-addition formula — In physics, a velocity addition formula is an equation that relates the velocities of moving objects in different reference frames. Contents 1 Galilean addition of velocities 2 Special theory of relativity 3 Derivation …   Wikipedia

• velocity of money circulation — the quickness of the turnover of money, economic equation which teaches us about the swiftness of transferring funds from one factor in the market to another (Economics) …   English contemporary dictionary

• Orders of magnitude (angular velocity) — Orders of magnitude area | angular velocity | charge | currency | data | density | energy | force | frequency …   Wikipedia

• Proper velocity — η.In flat spacetime, proper velocity is the ratio between distance traveled relative to a reference map frame (used to define simultaneity) and proper time τ elapsed on the clocks of the traveling object. It equals the object s momentum p divided …   Wikipedia

• Taylor KO Factor — is a commonly used mathematical approach for evaluating the stopping power of hunting cartridges. The term KO is an acronym for Knock Out. The Taylor KO Factor (TKOF) is a figure of merit that allows hunters to compare bullets with respect to… …   Wikipedia

• Power factor (pistol) — In competitive practical shooting, power factor refers to a ranking system for the momentum of pistol cartridges. The power factor is used in competitions sponsored by IPSC, USPSA, The Bianchi Cup, Steel Challenge, and IDPA. Contents 1 IPSC/USPSA …   Wikipedia

• Q factor — For other uses of the terms Q and Q factor see Q value. In physics and engineering the quality factor or Q factor is a dimensionless parameter that compares the time constant for decay of an oscillating physical system s amplitude to its… …   Wikipedia

• Lorentz factor — The Lorentz factor or Lorentz term appears in several equations in special relativity, including time dilation, length contraction, and the relativistic mass formula. Because of its ubiquity, physicists generally represent it with the shorthand… …   Wikipedia

• Fanning friction factor — The Fanning friction factor is a dimensionless number used in fluid flow calculations. It is related to the Shear stress at the wall as:: au = frac{ f ho v^2}{2}where:* au is the shear stress at the wall *f is the Fanning friction factor of the… …   Wikipedia

• P-factor — P factor, also known as asymmetric blade effect and asymmetric disc effect, is an aerodynamic phenomenon experienced by a moving propeller,[1] that is responsible for asymmetrical relocation of the propeller s center of thrust when aircraft is at …   Wikipedia