If the Vectors $\overrightarrow { \mathrm { A } }$ And $\vec { B }$

question 33

Multiple Choice

If the vectors $\overrightarrow { \mathrm { A } }$ and $\vec { B }$ have magnitudes of 10 and 11,respectively,and the scalar product of these two vectors is -100,what is the magnitude of the sum of these two vectors?

• A)6.6
• B)4.6
• C)8.3
• D)9.8
• E)7.6

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