A vector is something which has both magnitude and direction.
Examples include velocity which is speed (magnitude) in a given direction.
When written using orthogonal components vectors are written as a column of numbers in parentheses (a one-dimensional array).
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Vectors of the arthropod.
Two vectors: no. Three vectors: yes.
No, the sum of two vectors cannot be equal to either of the vectors individually. In vector addition, the resultant vector is determined by the magnitude and direction of the individual vectors. The sum of two vectors represents the combination of their effects, resulting in a new vector with different properties than the original vectors.
All vectors that are perpendicular (their dot product is zero) are orthogonal vectors.Orthonormal vectors are orthogonal unit vectors. Vectors are only orthonormal if they are both perpendicular have have a length of 1.
None of them are vectors.