Answers

2016-01-31T18:32:46+08:00
The quantity is either a vector or a scalar. These two categories can be distinguished from one another by their distinct definitions: Scalars are quantities that are fully described by a magnitude (or numerical value) alone. Vectors are quantities that are fully described by both a magnitude and a direction."
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2016-02-01T22:31:57+08:00
The quantity can be a vector or a scalar.
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