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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
    The direction of vector \[\vec{a}\] is reversed. Find \[\Delta \vec{a},|\Delta \vec{a}|\]and \[\Delta a\].

    Answer:

                    \[\Delta \vec{a}=-\vec{a}-\vec{a}=-2\vec{a}\]                 \[|\Delta \vec{a}|=2a\]


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