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A magnitude and a direction.
They're the two fundamental measurements in a vector quantity.
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14y ago
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2mo ago

To define a vector quantity, you need both magnitude (size or length) and direction. For example, in physics, velocity is a vector quantity that requires both the speed (magnitude) and the direction in which an object is moving to be fully described.

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Q: What two pieces of information are necessary in order to define a vector quantity?
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