<PRE><B>Question 1033676</B>
Find the unit vector having the same direction as v (the v is a vector for it is bolded in the textbook) 
Problem: v = 5i (i is a vector)
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|v| = sqrt(0^2+5^2) = sqrt(25) = 5
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Ans: unit vector:: 0 + 5/5i = 0+i or just i.

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Cheers,
Stan H.

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