12.2 vectors
fé
a cfor indicates a quantity that has both a magnitude anddirection It is represented as a
directline segment from initial point A to B The length represents magnitude
B D note vectors are denoted v or I
vectors w̅ and I are equivalent b c
u theyhave the same length and
direction
A
c
in
iii
ama
i iii a in.it in.ae a a
y
c
y
a 3,2
x̅ 4,1
a az o x
a urn
y
a 4137
it iiiiaiiiiii.tn
I it iii is
triangle law parallelogram law
diff g
a
w̅ y
Er
a a
E.in
iaimnanaia
25
iiiiiiiiii.mn
w̅
ya I 1
I I x y z then themagnitude or length is tall Vx2 y2 z2 x 012 y012 12 012
example length
Ii a
fé
a cfor indicates a quantity that has both a magnitude anddirection It is represented as a
directline segment from initial point A to B The length represents magnitude
B D note vectors are denoted v or I
vectors w̅ and I are equivalent b c
u theyhave the same length and
direction
A
c
in
iii
ama
i iii a in.it in.ae a a
y
c
y
a 3,2
x̅ 4,1
a az o x
a urn
y
a 4137
it iiiiaiiiiii.tn
I it iii is
triangle law parallelogram law
diff g
a
w̅ y
Er
a a
E.in
iaimnanaia
25
iiiiiiiiii.mn
w̅
ya I 1
I I x y z then themagnitude or length is tall Vx2 y2 z2 x 012 y012 12 012
example length
Ii a
