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Vector of magnitude 5 units and in the d...

Vector of magnitude 5 units and in the direction opposite to `2hat(i)+2hat(j)-6hat(k)` is _____

Text Solution

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`(5)/(7)(2hati-3hatj+6hatk)`
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Knowledge Check

  • Unit vector along the vector hat(i) + hat(j) + hat(k) is

    A
    `(1)/(3) (hat(i) + hat(k) + hat(k))`
    B
    `(1)/(2) (hat(i) + hat(j) + hat(k))`
    C
    `(1)/(sqrt3) (hat(i) + hat(j) + hat(k))`
    D
    `(1)/(sqrt2) (hat(i) + hat(j) + hat(k))`

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