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i dont know if this has been posted or not but i am sort fo stuck on this one

What is the force F_vec on the 1 nC charge at the bottom? View Figure

Write your answer as two vector components, separated by a comma. Express each component numerically, in newtons, to three significant figures.

the figure looks like this

attempt to this problem:

i found out the forces individually and added them together .. but it didnt work

x-component:

6nC = 0

2nC = 5.09 x 10[tex]^{-5}[/tex] each

y-component:

6nC = 2.16 x 10[tex]^{-5}[/tex]

2nc = 5.09 x 10[tex]^{-5}[/tex] each

when i add them: 1.02 x 10 [tex]^{-5}[/tex] [tex]\hat{x}[/tex] , 7.76 x 10[tex]^{-5}[/tex] [tex]\hat{y}[/tex]

but that was wrong.. i also tried the x-comp to be 0 .. but that was wrong too

thanx in advance for the help