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3 answers

my guess is a direction

2007-09-11 10:04:46 · answer #1 · answered by gjmb1960 7 · 0 0

it's most likely in terms of velocity, which makes it a vector, which means the sign indicates direction.

2007-09-11 17:16:34 · answer #2 · answered by Matt 3 · 0 0

yes - direction.

2007-09-11 17:05:36 · answer #3 · answered by texasnewf 1 · 0 0

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