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**1. Homework Statement**

Calculate the X, Y, and magnitude force between the two charges. Compare to the computer simulation results.

**2. Homework Equations**

Do not forget that this is a 2-D problem. Use the 2-D Coulomb’s law for line charges.

**3. The Attempt at a Solution**

Basically we used a software called MAXWELL to plot 2 charges, 1 source and 1 probe charge. The source had a charge of 1 x 10^-12 C and probe -1 x 10^-13 C. The source charge had a radius of 5mm, while the probe had a radius of 0.5mm and the distance between them (Centre to centre) is 10mm. Both charges lie on the x-axis.

The software gave the following results,

Fx = -1.8E-13

Fy= 3.1E-16

Fmag =1.8E-13

Angle=180

I do know how to calculate the x-component, however I am confused on the y component. If both charges lie on the x-axis, wouldnt there only be an x-component of Force? How would I go about calculating it?

Thanks