Given the vector
A=2i=3j,what is 3A
Answers
Answered by
1
Answer:
sjc
Oct 26, 2016
→
ˆ
a
=
√
13
13
(
2
→
i
+
3
→
j
)
Explanation:
unit vector in direction of
→
a
is given by
→
ˆ
a
=
→
a
|
a
|
so for
→
a
=
2
→
i
+
3
→
j
→
ˆ
a
=
1
√
2
2
+
3
2
(
2
→
i
+
3
→
j
)
→
ˆ
a
=
1
√
13
(
2
→
i
+
3
→
t
j
)
→
ˆ
a
=
√
13
13
(
2
→
i
+
3
→
j
)
Answer link
Similar questions