We did more practice problems today -specifically, what would a bathroom scale say in an accelerating elevator? We did one problem together:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqNBEPSpT1Ih_CO0Ew4UPGeG_w-hrR8dHO7TJJYZqJV1TcNqmo1rqW400o5CJZVGqutTSgQcaEIfC_qKJNtAmOlS5UFgargOZ0VUUcYxBLofcq8ej3wTkJPRI2MoB_uCvZSy7lWoLgT9h0/s640/2014-10-01%25252018.03.53.jpg)
Then we worked on a Ranking Task worksheet with the same kind of problems, and finally we worked on an old AP Physics problem (2003B1).
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