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J & K CET Medical J & K - CET Medical 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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