Vector describes both speed and direction.
In graphic programs, a vector graphic scales smoothly (more so than a bitmap image).
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False.
If all the components of a vector are zero, the magnitude of the vector will always be zero.
The zero vector is not perpendicular to all vectors, but it is orthogonal to all vectors.
That all depends on the angles between the vector and the components. The only things you can say for sure are: -- none of the components can be greater than the size of the vector -- the sum of the squares of the components is equal to the square of the size of the vector
All components of the zero vector equal to zero.