Vectors and

question 78

Multiple Choice

Vectors and
Are shown in the figure.Vector
Is given by
=
-
) The magnitude of vector
Is 16.0 units,and the magnitude of vector
Is 7.00 units.What is the angle of vector
,measured counterclockwise from the +x-axis?

• A) 16.9°
• B) 22.4°
• C) 73.1°
• D) 287°
• E) 292°

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