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4 answers

It refers to "space" (distances and displacements refer to space).
["D" is usally used to represent "diameter"]

Somebody well trained in physics can tell you in a few words about the principle of space to which the distances and the displacements are it's measurable dimensions.

2006-09-12 20:37:11 · answer #1 · answered by Simona T 1 · 0 0

Because all other alphabets in diStance except S are assigned to some other quantums.

2006-09-13 03:19:51 · answer #2 · answered by wisecrack 2 · 0 0

I think this comes from German "sitzung" = position.

2006-09-13 10:50:54 · answer #3 · answered by steiner1745 7 · 0 0

it is only convention.internationally.

2006-09-13 03:25:34 · answer #4 · answered by maithravarun v 2 · 0 0

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