Chapter 9.6, Problem 45AYU

To determine

To find: The unit vector in the same direction as $v$.

Answer to Problem 45AYU

Solution:

$i$

Explanation of Solution

Given:

$v = 5i$

Calculation:

$\text{Unit}\text{}\text{vector} = \frac{v}{\left|\right|v\left|\right|} = \frac{5i}{\left|\right|5i\left|\right|} = \frac{5i}{5} = i$