Today we started with a conservation of momentum problem, then learned a "magic" trick involving a ring and a necklace, played with a gyroscope, and finally we watched a couple of videos that use angular momentum to explain real-world stuff:
Why cats land on their feet - Smarter Every Day
Aerial Skiing - The New York Times
Homework: Ch.8 (p. 271) #58 & 72
I also had your practice test ready today, so you may have picked one up. You will have a multiple choice quiz thing at the end of class on Monday/Tuesday, then you will receive a take-home test for the free response section.
Here are the answers to the practice test:
Abridged answers
I also have some videos, but they are for an older version and some of the problems have changed.
#4
#5
#7 (PART C HAS CHANGED)
#8
#9 (energy method), #9 (dynamics method) (THIS HAS CHANGED)
#10
#11 (THIS HAS CHANGED)
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