ch22-p009 - 9. The x component of the electric field at the...

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9. The x component of the electric field at the center of the square is given by () 3 12 4 2222 0 1234 2 0 || 1 cos 45 4 (/ 2 ) (/ 2 ) 11 1 4/ 2 2 0. x q qq q E aaaa qqqq a ε ⎡⎤ =+ ° ⎢⎥ ⎣⎦ = π π Similarly, the y component of the electric field is 3 4 0 2 0 92 2 8 5 2 1 cos45 4 ) 1 2 2 8.99 10 N m / C (2.0 10 C) 1 1.02 10 N/C. (0.050 m) / 2 2 y q q E a πε =− + + ° + + ×⋅ × == × Thus, the electric field at the center of the square is
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