If the Scalar Product of Two Vectors, and

question 41

Multiple Choice

If the scalar product of two vectors, and , is equal to −3.5, if , and the angle between the two vectors when they are drawn starting from the same point is equal to 130°, what is the magnitude of ?

• A)2.1
• B)2.5
• C)2.3
• D)2.7
• E)3.1

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