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CBSE Class 11-science Answered

u had given an example of addition of vectors in the second video of this topic i have a question regarding the example
Asked by muskan | 28 Aug, 2012, 06:46: PM
Expert Answer
in the case of vectors the addition is also dependent upon the angle between the two quantities being added.
The formula for addition of two quantities is
R2=A2+B2+2cos a
here a is the angle between the two vectors A and B
Answered by | 28 Aug, 2012, 06:52: PM
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