find the vector V with the given magnitude and the same direction as U.
mag V=2
U=<3,-3>
A unit vector along [3,-3] is [3/√18,-3/√18]
so one of length 2 is
[6/√18, -6/√18] or [√2, -√2] after rationalizing
mag V=2
U=<3,-3>
so one of length 2 is
[6/√18, -6/√18] or [√2, -√2] after rationalizing