The resultant of two vectors and is perpendicular to

MATHEMATICS · Numerical · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

The resultant of two vectors a⃗\vec a and b⃗\vec b is perpendicular to a⃗\vec a, and its magnitude is half that of b⃗\vec b. Find the angle between a⃗\vec a and b⃗\vec b.

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