i will rewawrd point for right answer Four identical charged particles ( q = +17

Question

i will rewawrd point for right answer

Four identical charged particles (q = +17.0

i will rewawrd point for right answer Four identical charged particles (q = +17.0 mu C) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are L = 64.0 cm and W = 20.0cm. Calculate the change in electric potential energy of the system as the particle at the lower left corner in the figure is brought to this position from infinitely far away. Assume the other three particles in the figure below remain fixed in position.

Explanation / Answer

Energy on q = kq^2/L + kq^2/W + kq^2/sqrt(L^2 + W^2)

= kq^2 * ( 1/0.64 + 1/0.2 + 1/sqrt(0.2^2 + 0.64^2))

= 9*10^9*(17*10^-6)^2 * 8.0538

= 20.947 J

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