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J & K CET Engineering J and K - CET Engineering Solved Paper-2010

  • question_answer
    The components of the sum of two vectors \[2\hat{i}+3\hat{j}\] and \[2\hat{j}+3\hat{k}\]along x and y directions respectively are

    A)  \[2\] and \[5\]         

    B)  \[4\]and \[6\]

    C)  \[2\] and \[6\]         

    D)  \[4\]and \[3\]

    Correct Answer: A

    Solution :

    The sum of two vectors \[2\hat{i}+3\hat{j}\]and \[2\hat{j}+3\hat{k}\] \[=2\hat{i}+5\hat{j}+3\hat{k}\] \[\therefore \]Components in x and y directions are 2 and 5 respectively.


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