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March 30, 2015

March 30, 2015

Posted by **Emma** on Saturday, November 17, 2012 at 12:08am.

If A makes a 27.8 angle with the x axis and has magnitude A= 14.8 units, and B has magnitude B= 29.0 units, what can you say about the direction of B?

- vectors -
**drwls**, Saturday, November 17, 2012 at 2:23amA B costheta = 20.6

14.8*29.0*costheta = 20.6

costheta = 0.048

theta = 87.2 degrees is the angle between A and B. The angle of B with the x axis could be 27.8 + 87.2, or 27.8 - 87.2

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