CBSE Class 11-science Answered
Let A and B be the two vectors of magnitude 10 units each.. If they are inclined to the x-axis at the angles of 30 and 60 respectivley , find the resultant .. DIAGRAM with full explation and steps
Asked by | 06 May, 2012, 01:23: PM
Expert Answer
Magnitude of the resultant of two vector quantities is ( |A| + |B| + 2 |A| |B| cos (theta) ) where theta is the angle with x-axis.
when angle is 30 degree
Resultant = sqrt( (10)2 + (10)2 + 2 .10.10 Cos 30))
When angle is 60 degree
Resultant = sqrt( (10)2 + (10)2 + 2 .10.10 Cos 60))
Answered by | 07 May, 2012, 11:41: AM
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