Question

differentiate between null vector and unit vector

Answer 1

Null vector is zero vector and unit vector is the vector divided by its magnitude

Answer 2

A unit vector is any vector that has a magnitude equal to 1. A direction vectorcommonly refers to a vector that describes the direction of a line segment. ... The direction vector may be found by finding the difference between any 2 points on the line, say (0, 1) and (1, 2). Hence the direction vectoris D = i + j.




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