Find the vector V with the given magnitude and the same direct?

0 ⤊

v=3 u=<4,-4>

2007-10-20 10:03:24 · 2 answers · asked by fdgsdfg d 1 in Science & Mathematics ➔ Mathematics

|u| = sqrt( 16+ 16) = sqrt(32)
then
the new vector is 3/sqrt(32) < 4, -4>

2007-10-24 06:32:25 · answer #1 · answered by Anonymous · 0⤊ 0⤋

I suppose that the vector is (3,4,-4) so the unit vector is
1/sqrt(41) ( (3,4,-4) and if the magnitude is k the vector is
k/sqrt(41)*(3,4,-4)

2007-10-20 10:55:08 · answer #2 · answered by santmann2002 7 · 0⤊ 1⤋