Question

Find
the
angle two vectors p and q
resultant is given
r² = p²+q2​

Answer 1

Answer:

Hey there!

We know the resultant R is given by

R= root over of P^2+Q^2+2PQcostheta

Hence if theta=90 degree,

Then costheta=0

Thus R^2=P^2+Q^2

And the angle is 90 degree

Hope that helps you ✌️

Answer 2

Answer:

Hey there!

We know the resultant R is given by

R= root over of P^2+Q^2+2PQcostheta

Hence if theta=90 degree,

Then costheta=0

Thus R^2=P^2+Q^2

And the angle is 90 degree

Hope that helps you ✌️