if 2 vectors of same magnitude are having 60° difference then find the magnitude of sum of two vectors and differences (hint: p bar = q bar = 10
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Answer:
Correct option is
B
90
o
Here, ∣
A
+
B
∣=∣
A
−
B
∣
A
2
+B
2
+2
A
.
B
=A
2
+B
2
−2
A
.
B
4
A
.
B
=0
As dot products of two vectors is zero so the angle between them will be 90
o
.
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