The resultant of two vectors `vec(A)` and `vec(B)` is perpendicular to the vector `vec(A)` and its magnitudes is equal to half of the magnitudes of vector `vec(B)` (figure). The angle between `vec(A)` and `vec(B)` is A. `120^(@)`B. `150^(@)`C. `135^(@)`D. None of these

The resultant of two vectors `vec(A)` and `vec(B)` is perpendicular to

1.	The resultant of two vectors `vec(A)` and `vec(B)` is perpendicular to the vector `vec(A)` and its magnitudes is equal to half of the magnitudes of vector `vec(B)` (figure). The angle between `vec(A)` and `vec(B)` is A. `120^(@)`B. `150^(@)`C. `135^(@)`D. None of these
Answer» Correct Answer - B `cos beta=R/B=1/2rArr beta= 60^(@)` Angle between `vec(A)` and `vec(B)= 90^(@)+beta=150^(@)`

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The resultant of two vectors `vec(A)` and `vec(B)` is perpendicular to the vector `vec(A)` and its magnitudes is equal to half of the magnitudes of vector `vec(B)` (figure). The angle between `vec(A)` and `vec(B)` is A. `120^(@)`B. `150^(@)`C. `135^(@)`D. None of these

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