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Q. Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form a parallel-plate capacitor. Inside the capacitor the electric field strength is 9.5 × 106 N/C. What is the charge on each electrode?

Q. A monkey hangs stationary at the end of a vertical vine. What two forces act on the monkey? Which, if either, is greater?

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