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A +5.0-µC point charge is placed at the 0 cm mark of a meter stick and a -4.0- μC charge is placed at the 50 cm mark. Wh
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A +5.0-µC point charge is placed at the 0 cm mark of a meter stick and a -4.0- μC charge is placed at the 50 cm mark. Wh
A +5.0-µC point charge is placed at the 0 cm mark of a meter stick and a -4.0- μC charge is placed at the 50 cm mark. What is the magnitude of net m²/C²) electric field at the 30 cm mark? (k = 1/4лε = 8.99 × 10⁹ N. X none of the given choices 5.0 x 105 N/C 4.0 × 105 N/C 9.0 × 105 N/C O 1.4 × 106 N/C