Note the arrangement of charges below I have been working on this problem for qu

Question

Note the arrangement of charges below

I have been working on this problem for quite a while now and can't seem to figure it out. Can someone show me how you would do this?

Note the arrangement of charges below Making the following assumptions: the four charges in the above grid are point charges; each charge has magnitude 1.0 nC (nanocoulombs, and note that two are positive and two are negative); the grid spacing is 1.0 cm; all labeled points lie in the same plane as the charges. Determine the magnitude and direction of the electric field at point T Magnitude = Direction, as an angle measured from the + x axis =

Explanation / Answer

k so the horizontal charges cancel out since they are equal in opposite direction. and we have 3 q forces pushing point s down and the top q force pulling it up. Use k(q)/r^2 for each one and just added up all the values to get -11.6e9

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