rapidity
31Proper 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 …
32respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …
33Explosive material — A number of 1.25lb M112 Demolition Charges, consisting of a C 4 compound, sit atop degraded weaponry scheduled for destruction An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential… …
34Lorentz transformation — A visualisation of the Lorentz transformation (full animation). Only one space coordinate is considered. The thin solid lines crossing at right angles depict the time and distance coordinates of an observer at rest with respect to that frame; the …
35rapid — [[t]ræ̱pɪd[/t]] ♦♦ 1) ADJ GRADED: usu ADJ n A rapid change is one that happens very quickly. ...the country s rapid economic growth in the 1980 s... This signals a rapid change of mind by the government. ...the rapid decline in the birth rate in… …
36Angular velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …
37Initial velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …
38Relative velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …
39Uniform velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …
40Variable velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …
