Problem Set 2
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Problem Set 3
[Please refer to the physical copy (in the Science Library) for the figure. Please note, too, "extra credit" addendum to Problem #2, namely: What happens when the pencil is perfectly sharp, so that it has a genuinely point-like tip? ]
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Problem Set 4
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Problem Set 5
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Problem Set 6
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Problem Set 7
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Problem Set 8
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