Define component of a vector equals to 3 I get plus 4 j c capital of the vector equals to i cap minus j cap
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Answer:
As it is said that it is in y axis magnitude of z is equal to magnitude of B
B
=3
i
^
+4
j
^
∣B∣=
3
2
+4
2
=5
∣B∣=5
Direction of resultant vector Along Y- direction
C
=5
j
^
⇒
A
ˉ
+
B
ˉ
=
C
=5
j
^
A
+3
i
^
+4
j
^
=5
j
^
A
=
j
^
−3
i
^
∣A∣=
3
2
+1
2
=
10
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