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resultant of two vectors P and Q is perpendicular to vector P and its magnitude is half that of vector Q..what is angle between P and Q?

Asked by Rohan Astik 27th September 2013, 9:50 PM
Answered by Expert
Answer:

let angle p^q=90+a

we get sina=1/2

so, a=30

so angle is 120.

Answered by Expert 27th September 2013, 10:40 PM
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