Write and expression for the electrical potential energy Unet of charge Qo as shown in the diagram. You will get full credit for writing the expression without any values, you can use any of the variables (symbols) shown in the diagram above to write your expression. Calculate the unknown charge Q2, including its magnitude and correct sign.

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Write and expression for the electrical potential energy Unet of charge Qo as shown in the diagram. You will get full credit for writing the expression without any values, you can use any of the variables (symbols) shown in the diagram above to write your expression.

Calculate the unknown charge Q2, including its magnitude and correct sign.

Fnet = 0N
In the diagram above three spherical charged conductors are fixed on a straight line, Q, Q2, and
Q;; each sphere is fixed a distance d apart center-to-center. Qi is a negative charge equal to Q1 =
-0.75 C; the charge of Q2 is not known; and Q3 = +9.0 C. An arbitrary positive charge Qo is
carefully placed to the right of charge Q, a distance d, as shown in the diagram. The net electrical
force Fnet On charge Qo is observed to be zero, Fnet = ON.
Transcribed Image Text:Fnet = 0N In the diagram above three spherical charged conductors are fixed on a straight line, Q, Q2, and Q;; each sphere is fixed a distance d apart center-to-center. Qi is a negative charge equal to Q1 = -0.75 C; the charge of Q2 is not known; and Q3 = +9.0 C. An arbitrary positive charge Qo is carefully placed to the right of charge Q, a distance d, as shown in the diagram. The net electrical force Fnet On charge Qo is observed to be zero, Fnet = ON.
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