1. The figure below shows three charges at the corners of a rectangle of length

Question

1. The figure below shows three charges at the corners of a rectangle of length x = 0.65 m and height y = 0.42 m. What is the total energy of the system? In Joules

I got .54215 by using formula E= k q1q2/r^2 for each corner and added up but I still got it wrong. Please help~

2. How much work is required by the electric field force to separate two charges (each ?1.6

The figure below shows three charges at the corners of a rectangle of length x = 0.65 m and height y = 0.42 m. What is the total energy of the system? In Joules

Explanation / Answer

A)

Ep = k*q1*q3 / r + k*q2*q3 / R

Ep = 9 e9 N

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