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Vectors A→\overrightarrow { \mathrm { A } } And B⃗\vec { B }

Question 49

Multiple Choice

Vectors A→\overrightarrow { \mathrm { A } } and B⃗\vec { B } have equal magnitudes.Which statement is always true?


A) A→+B→=0\overrightarrow { \mathbf { A } } + \overrightarrow { \mathbf { B } } = 0 .
B) A→−B→=0\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } } = 0 .
C) A→−B→\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } } is perpendicular to A→+B→\overrightarrow { \mathrm { A } } + \overrightarrow { \mathrm { B } } .
D) B→−A→\overrightarrow { \mathrm { B } } - \overrightarrow { \mathrm { A } } is perpendicular to A→−B→\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } } .
E) The magnitude of A→−B→\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } } equals the magnitude of A→+B→\overrightarrow { \mathrm { A } } + \overrightarrow { \mathrm { B } } .

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