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11th Class Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Motion In A Plane Conceptual Problems

  • question_answer
    What is the dot product of two per-   perpendicular vectors \[\vec{A}\] and \[\vec{B}\]?

    Answer:

                    Zero, as \[\vec{A}.\vec{B}=AB\cos {{90}^{\circ }}=\mathbf{0}\]


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