Wrapping Up the Unit & Practice Exam

First we combined the Law of Universal Gravitation and circular motion to derive an interesting equation relating the radius of an orbit to period (period T = time for one cycle).

Then we talked briefly about tides and passed out the practice exam:

Chapter 7 Practice Exam

Solutions videos:
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Monday will be a review day and Tuesday will be your test. Some people have expressed an interest in taking the test on Monday and having a workday on Tuesday instead due to the sheer number of other tests on Tuesday. That is fine - I will make an alternate version of the test for the early testers.

There will be no additional homework tonight; I would rather that you focus on the practice exam.