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Hi, I need help with questions 12 and 13

12) Two negatively charge spheres, A and B, are 30 cm apart and have the following charges of 3.0 x 10" C and 1.5 x 10" C as in the figure below. What is the net electric field at a point P, which is exactly in the middle between the two charges?

13) What is the magnitude and direction of the electric field at point P in the figure below?

Let's start with 12. Does this make sense?

Hi s.h_math (https://biology-forums.com/index.php?action=profile;u=1067569)

@bio_man : good work :thumbsup:

for q 13:

(https://biology-forums.com/gallery/44/788494_17_01_22_6_56_49.png) (https://biology-forums.com/index.php?action=gallery;sa=view&id=44032)