Vectors and are added

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Vectors

\mathbf{A}=6\hat{i}+2\hat{j}

and

\mathbf{B}=-3\hat{i}+4\hat{j}

are added. Calculate the magnitude of the resultant vector

\mathbf{A}+\mathbf{B}

(in unit length). (a)

9.0

(b)

6.3

(c)

6.7

(d)

9.2

Related theory

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