When you were starting your vpython projects, I mentioned the idea of calculating the time it takes to fall through a hole that goes through the Earth.
You waited too long to do this, so I did it.
Here is the answer to the chapter 8 quiz.
If you want to submit a re-assessment, you can have until the last day to submit (since I am getting the grades back to you late). Do worry about doing anything crazy hard for an example – there aren’t that many different types of problems. I would just pick a homework question from the end of the chapter.