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A vector ,b vector are equal magnitude 60 degree and their scalar product is 1|2 find their magnitudes?

A vector ,b vector are equal magnitude 60 degree and their scalar product is 1|2 find their magnitudes?

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
 
Dear Jessy
 
As we know
Scalar product of vector a & b :
a .b = |a| |b| cos 60°
Now
Since a.b = ½
Hence
1/2 = |a|² * ½
|a|² = 1
|a| = |b| = 1
 
Regards
Arun( AskIITians forum expert)

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