The resultant of two vectors P and Q is perpendicular to P and its magnitude is half that of Q. What is the angle between P and Q.

Asked by shobhit_dc | 19th Jan, 2012, 01:59: PM

Expert Answer:

Magnitude of the resultant p & Q = 1/2 Q
 
So Sin(theta) = 1/2
theta = 30degree
 
So, the angle betwene P & Q will be 120 degrees

Answered by  | 19th Jan, 2012, 02:25: PM

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