.The rectangle shown in Figure

P3.56 has sides parallel to the

x

and

y

axes. The position vectors

of two corners are

A

S

!

10.0 m

at 50.0 and

B

S

!

12.0

m at 30.0.

(a) Find the perimeter of the rect

-

angle. (b) Find the magnitude

and direction of the vector from

the origin to the upper-right cor

-

ner of the rectangle.