Three charges are arranged as shown in Figure. Find the magnitude and direction of the electrostatic force on the charge at the origin.

necessaryh 2021-03-23 Answered
Three charges are arranged as shown in Figure. Find the magnitude and direction of the electrostatic force on the charge at the origin.
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Mayme
Answered 2021-03-25 Author has 103 answers
Force between two charges on x-axis is repulsion force, so the force on charge at origin acts in negative x-direction
F1=k(6109)5109(0.03)2=8.98109(6109)5109(0.03)2
=2993.33109 N
Force between two charges on y-axis is attractive force, so the force on charge at origin acts in negative y-direction
F2=k(3109)5109(0.01)2=8.98109(3109)5109(0.01)2
angle made by the net force with positive x-axis = 180 + taninverse 134701092993.33109=180+77.47=257.77 degrees
magnitude of force =134702+2993.332109=13798.5109 N
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