math problem : vectors?

1 ⤊

Find the component form of the sum of u and v with direction angles u and v.

llull=5 direction angle = 0
llvll=5 direction angle = 90

2007-05-31 19:02:19 · 3 answers · asked by whatever123 2 in Science & Mathematics ➔ Mathematics

5 sqrt(2), angle 45. So the components are simply 5i + 5j.

2007-05-31 19:10:33 · answer #1 · answered by Anonymous · 1⤊ 0⤋

u = (5 , 0)
v = (0 , 5)
u + v = (5 , 5) = 5i + 5j

2007-06-01 03:54:22 · answer #2 · answered by Como 7 · 0⤊ 0⤋

|u| = (5, 0)
|v| = (0, 5)

sum = |u| + |v| = (5, 0) + (0, 5) = (5, 5)

So, |u| + |v| = 5i + 5j

2007-06-01 02:11:41 · answer #3 · answered by Loong 2 · 0⤊ 0⤋