0
Yes.If the angle between them is 90 degrees.
As we know that A.B=|A| |B| cos (phi).
When phi=90 degree,cos 90=0.
Hence A.B= |A| |B| *0 =0.
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Who does vector like?
Vector's got a crush on Cream's mother named Vanilla
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The same sort of reasoning that zero is a number. It ensures that the set of all vectors is closed under addition and that, in turn, allows the generalization of many operations on vectors.Also, the way we got around the concept of having something with zero magnitude also have a direction is pretty cool. We made it up! In abstract algebra it's perfectly OK to constrain a specific algebraic structure with rules (called axioms) that the structure must follow.In your example, the algebraic structure that vectors are in is called a "vector space." One of the axioms that define a vector space is:"An element, 0, called the null vector, exists in a vector space, v, such that v + 0 = vfor all of the vectors in the vector space."Ta Da!! Aren't we clever?
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