At what coordinates can a third charge be placed
A +6.1 µC charge is placed at the origin and a -3.8 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed so that it experiences no net force?
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The system is cooled at constant pressure until it reaches a quality of 25%. Determine the work in Btu for this process. Is the work done by the system or done on the system?
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