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translational speed vs. translational velocity

German translation: Geschwindigkeit nach Betrag und Richtung

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	translational speed vs. translational velocity
German translation:	Geschwindigkeit nach Betrag und Richtung
Entered by:	Manuela Junghans

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22:18 Sep 27, 2005

English to German translations [PRO]
Science - Mathematics & Statistics / probability distributions

English term or phrase: translational speed vs. translational velocity

Es geht um Verteilungsmomente bei der Wahrscheinlichkeitsrechnung.

Distribution Moments

Some of the most widely used benchmark values for distributions involve functions of the form xn where n is an integer. If n = 1, the corresponding function is referred to as the first moment of the distribution function, and it is equal to the average value of the distribution as discussed earlier. If n = 2, is referred to as the second moment of the distribution. Finally, the square root of is referred to as the root-mean-squared or rms value. The first and second moments, as well as the rms value, are extremely useful quantities for characterizing distribution functions. In the discussion of molecular motion in Chapters 34 and 35, we will find that a collection of molecules will have a distribution of *translational velocities and speeds*. Rather than discussing the entire velocity or speed distribution, the moments of the distribution are utilized to describe the system of interest.

The same question applies to "velocity and speed distribution"
Wo macht man im deutschen den Unterschied? Ist doch beides Geschwindigkeit, oder? Hab daran gedacht "velocity" mit "Schnelligkeit" zu übersetzen. Scheint aber eher "unverbreitet" zu sein, heißt man findet so gut wie gar keine links dafür.
Hat jemand eine gute lösung für dieses Problem. Vielen Dank im voraus.

Manuela Junghans KudoZ activity Questions: 339 (none open) (10 without valid answers) (32 closed without grading) Answers: 986 United Kingdom
Local time: 05:40

Geschwindigkeit, vektorielle Geschwindigkeit

Explanation:
Im Deutschen gibt es nur eine Bezeichnung, "Geschwindigkeit" - "speed" bezeichnet den Betrag, "velocity" betrachtet Geschwindigkeit als Vektor und schließt die Richtung mit ein.

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Note added at 8 hrs 46 mins (2005-09-28 07:05:36 GMT)
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Deutsche Mathematiker klassifizieren einen Vektor gerne "nach Betrag und Richtung" - "Geschwindigkeit nach Betrag und Richtung" passt, denke ich, in deinem Satz, auch wenn es, wörtlich genommen, die "Geschwindigkeit nach Betrag und Betrag und Richtung" wäre.