What is the unit vector in the direction of v = 4i - 3j

[From: ] [author: ] [Date: 12-06-14] [Hit: ]

Divide this vector by its magnitude

Unit vector = 4i - 3j / √[(4²) + (-3)²] = 4i - 3j / √25 = (4i - 3j) / 5

4^2+3^2 = 5^2
So, the unit vector is (1/5)(4i - 3j)

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