Question

what are vectors and scalars

Answer 1

scalar quantity is a one dimensional measurement of a quantity, like temperature, or mass. A vector has more than one number associated with it. 

Answer 2

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.

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Vectors are quantities that are fully described by both a magnitude and a direction.

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