Two negative charges q -30 mu c are placed on the x-axis, Ask an Expert

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Two negative charges, Q = -30 \mu C are placed on the x-axis at x = +0.25 m and x = -0.25 m.

1. How much energy does it take to assemble these two charges?

2. You place an unknown charge on the y-axis at y = 0.5 m and find that the electric potential is 0 V at the origin. What is the unknown charge?

3. If you place a -2 \mu C charge at the origin, what is the x-component of the force on it from the other three charges?

4. If you place a -2 \mu C charge at the origin, what is the y-component of the force on it from the other three charges?

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