Question

Find the magnitude and the direction of AB⃗⃗⃗⃗⃗, BC⃗⃗⃗⃗⃗, and

AC⃗⃗⃗⃗⃗, if
AB⃗⃗⃗⃗⃗ = 12î− 5ĵand BC⃗⃗⃗⃗⃗ = 3î− 4ĵ.

Answer 1

Explanation:

`ab = \sqrt{ {12 }^(2) + { (- 5)}^(2) } \\ \ \\ = 13`

`bc = \sqrt{ {3}^(2) + { (- 4)}^(2) } \\ = 5`