Due to an E&M midterm on Wed at 9 am worth 25% of our grade, we have 1 extra day to turn in the hardest one of the 7 problems in our Quantum problem set, the remaining of which is due at the original time, on Wed at 10 am. We usually call such a thing a partial deadline "extension", which implies that we would have more time to work on the ( Read more... )

Stayed back for 45 minutes after recitation to discuss one of the problems in our problem set (p. 3) with Mark, Caleb and Forrest. The mystery was the directions of friction on the yo-yo and yo-yo acceleration. Actually, Caleb was always clear that the yo-yo would accelerate to the right but I was obstinate. I tried but couldn't poke any holes in ( Read more... )