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Math Help - Unit vector in given direction

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    Unit vector in given direction

    determine the unit vector \hat{r} if r=25j
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  2. #2
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    Quote Originally Posted by mastermin346 View Post
    determine the unit vector \hat{r} if r=25j
    r is a vector of length 25 in the direction of the unit vector j.

    \hat{r}= j, of course.
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