If Two Collinear Vectors

question 22

Multiple Choice

If two collinear vectors
And
Are added,the resultant has a magnitude equal to 4.0.If
Is subtracted from
,the resultant has a magnitude equal to 8.0.What is the magnitude of
?

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

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