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Did you carefully complete the reading assignment?
Boy, math-heavy reading for today!
But this discussion is a model for one of those (many different)
skills that you need to foster as a physicist (or an engineer, or
physical scientist)---the skill of coming up with a guess, trying it
out, figuring out why you have to reject it, and then coming up with
another guess that is only slightly more complicated, and then
continuing the loop until you get something that works.
What was wrong with the first solution that was tried in the reading
today (Sec. 3.2)? What assumption did it start with and why is that assumption
How did the next guess (3.3) build on the first?
Was there anything that you didn't understand in the reading
assignment? If so, explain.
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