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A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 841 N. What is the acceleration of the elevator?
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Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 µC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the po ...
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