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If Two Collinear Vectors A→\overrightarrow { \mathrm { A } }

Question 3

Multiple Choice

If two collinear vectors A→\overrightarrow { \mathrm { A } } and B⃗\vec { B } are added,the resultant has a magnitude equal to 4.0.If B→\overrightarrow { \mathbf { B } } is subtracted from A→\overrightarrow { \mathrm { A } } ,the resultant has a magnitude equal to 8.0.What is the magnitude of A→\overrightarrow { \mathrm { A } } ?


A) 2.0
B) 3.0
C) 4.0
D) 5.0
E) 6.0

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