Two vectors, each of magnitude A have a resultant
of same magnitude A. The angle between the two
vectors is
(1) 30°
(2) 60°
(3) 120°
(4) 150°
Answers
Answered by
22
Answer:
120° is the correct answer
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Answered by
6
Answer:
120° is the correct answer.
As we appli the resultant formul for vector
As given
A*2=A*2+A*2+2A*2cos theta
A*2 - 2A*2=2A*2cos theta
-A*2/2A*2=Cos theta
-1/2=cos theta
Cos 120° = cos theta
Angle is 120°
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