Find the unit vector in the direction of (-5i + 12j).
...Find the unit vector in the direction of (-5i + 12j).
113(−5i−12j)
113(5i−12j)
113(−5i+12j)
113(5i+12j)
Correct answer is C
The unit vector ˆn=→r|r|
\hat{n} = \frac{-5i + 12j}{\sqrt{(-5)^{2} + (12)^{2}}
= −5i+12j13
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