The resultant of two vectors \( A \) and \( B \) is perpendicular to the vector \( A \) and its ... VIDEO
The resultant of two vectors \( A \) and \( B \) is perpendicular to the vector \( A \) and its magnitude is equal to half the magnitude of vector \( B \). The angle between \( A \) and \( B \) is
(a) \( 120^{\circ} \)
(b) \( 150^{\circ} \)
(c) \( 135^{\circ} \)
(d) None of these
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