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Byju's Answer
Standard XII
Physics
Vectors and Its Types
Find a vector...
Question
Find a vector in the direction of a vector
→
a
=
ˆ
i
−
ˆ
j
+
ˆ
k
, which has magnitude 8 units.
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Solution
Given,
→
a
=
ˆ
i
−
ˆ
j
+
ˆ
k
Now, unit vector in the direction of
→
a
is
ˆ
a
=
→
a
|
→
a
|
=
ˆ
i
−
ˆ
j
+
ˆ
k
√
3
Therefore, vector of magnitude 8 units in the direction of
ˆ
a
=
8
√
3
ˆ
i
−
8
√
3
ˆ
j
+
8
√
3
ˆ
k
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