Posted by **bobby** on Tuesday, September 11, 2012 at 1:06am.

For the three vectors A+B+C= -1.4i. Vector A is 4i and vector C is -2j.

Write vector B as components separated by a comma. What is the magnitude of vector B?

How many degrees above the negative x-axis does vector B point? Measure the angle clockwise from the negative x-axis.

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