Question

8. The magnitude of the X and Y components of A are 7 and
6. Also the magnitudes of X and Y components of A+B
are 11 and 9 resepectively. What is the magnitude of B ?
(a) 5
(b) 6
(c)8
(d) 9​

Answer 1

Answer:5

Explanation:

Magnitude of x-cmpnt of B=11-7=4

......................... y-......... of B=9-6=3

Magnitude of B =√(4^2+3^2) =5