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11 What is vector quantity? How is it represented ? When are the twocollinear vectors known as (i) parallel, and (ii) antiparallel ?Calculate the ( ) cross and (ii) dot product of two vectors(31-47)and

Answer»

A quantity which has a direction and magnitude is known as a vector quantity. it is represented by a letter with an arrow overhead or a bold capital letter.

two collinear vectors are parallel when they are pointing in the same direction or the angle between them is 0° .two collinear vectors are antiparallel if the angle between them is 180°.



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