This week I had a couple of students come to office hours. One student had a question about the pressure-volume graph and using it to calculate the efficiency of an engine. This was a sapling homework problem. Another students had questions about the check your understanding questions for Chapter 18.6 (Electric Fields).
Students in general may have a tougher time using pressure-volume plots and applying them to questions about heat exchanged and work done based on the questions I got during lectures. I'm expecting to get a few more students next week during office hours.
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