If vector has components

Ax=-3.0lb

and

Ay=-4.0

lb

, and vector has components

Bx=3.0lb

and

By=

-8.0lb

, what is the magnitude of vector

=-

?

If vector has components Ax=3.0lb and Ay=4.0 Ib, and vector has components Bx=3.0lb and By= 8.0lb, what is the magnitude of vector =