+0  
 
0
190
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The magnitude of vector a is 6, and the magnitude of vector b is 20.
The direction, in degrees, for the vector a is 70, and the direction, in degrees, for the vector b is 69.
What is the magnitude, correct to 2 decimal places, of the vector r, where r = a + b?
 
Guest Mar 20, 2012

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