Physics

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The Superpostion Principle:
Three point charges q1, q2 and q3 like along the x-axis at x=0, x=3.0cm and x=5.0cm, respectively. calculate the magnitude and direction of the electric force on each of the three point charges when q1 = +6.0 microcoulombs q2= +1.5 microcoulombs and q2= -2.0 micro coulombs.
I got the total force to be 47 N but I'm not sure if that is right and I believe I'm missing some answers.

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