Given that p vector+q vector=r vector and p+q=rthen angle between p vector & q vector physics 11ke question hai
Answer (1)
2nd Oct, 2018
Magnitude of Sum of Two vectors Vector P and Vector q is given by
R^2 =p^2+q^2+2pqcos($) __________________________(i)
Here $ indicates angle between them.
We are given
R=p+q
So Squaring both the sides we get
R^2=p^2+q^2+2pq ______________________(ii)
From (i) and (ii) we can write
P^2+q^2+2pqcos($)=p^2+q^2+2pq
Therefore 2pq=2pqcos($)
Cos($)=1
Therefore $=0
So angle between p vector and q vector is 0 degree.
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