Question

two vectors P and Q of magnitude 5 ohm and 4 ohm respectively.Fi d the magnitude direction of resultant vector well the angle between P and Q is 60 degree​

Answer 1

Note: vectors are shown in bold. scalars are shown in normal type

The diagram above shows two vectors A and B with angle p between them.

R is the resultant of A and B

R = A + B

This is the resultant in vector

R is the magnitude of vector R

Similarly A and B are the magnitudes of vectors A and B

R = √(A2 + B2 2ABCos p) or [A2 + B2 2ABCos p]1/2

To give the direction of R we find the angle q that R makes with B

Tan q = (A Sin p)/(B + A Cos q)

A vector is completely defined only if both magnitude and direction are given.

hope this answer helpful u

Answer 2

Hmmm I hope this will be help you get