If A→ is a vector of magnitude 5 units due east. What is the magnitude and direction of a vector - 5A→?
5 units due east
25 units due west
5 units due west
25 units due east
A→ = 5 units due east
-5A→ = -5(5 units due east)
= -25 units (due east = 25 units due west)