Question

U= (-5,3) find the magnitude of u. please help me

Answer 1

u = 5.83

Explanation:

The magnitude of a vector $\vec{u}$ is

$|\vec{u}| = \sqrt{u_z^2 + u_y^2} = \sqrt{(-5)^2 + (3)^2}$

$\:\:\:\:\:\:\:= \sqrt{34} = 5.83$