Vector acts on a body

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Vector A=3i+4j N\mathbf{A}=3\mathbf{i}+4\mathbf{j}\,\text{N} acts on a body. A second vector is B=Bx i−4j N\mathbf{B}=B_x\,\mathbf{i}-4\mathbf{j}\,\text{N}. If the magnitude of the resultant R=A+B\mathbf{R}=\mathbf{A}+\mathbf{B} is 5 N5\,\text{N}, calculate the possible value(s) of BxB_x.

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