Friday Nov. 20

On Friday we started by taking a chapter 4 reassessment. After we finished we got a blank copy of it and went over it. Next we broke into groups to solve a hard problem that Mr. Burk gave us. On the board Mr. Burk drew a block with mass, m. Attached to it was a spring that was angled upward at angle theta, had a stretch of change in r, and a spring constant, k. Our task was to solve for k in terms of m, theta, and the coefficient of friction. The problem was long, hard and tedious. It took a lot of steps, algebra, and combining different concepts we have learned but in the end we figured it out and I think everybody either got the answer or came within a step or two of it. Next we came back together and Mr. Burk solved the problem himself and went over the steps. After that we reviewed for our assessment on Monday. We started from 4.1 and went over each concept. That was pretty much what we did in class on Friday. Don't forget about the assessment Monday. Jason wanted to be the scribe for Monday.