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:

Rotational Motion Test Practice

Answers

Solutions videos:
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Tomorrow we will be talking about science classes available for your senior year and the importance of taking a fourth year of science. Your test will be the last hour of your modular day when we get back from Thanksgiving Break, so the first 45 minutes will be work time. There will be no additional homework tonight; I would rather that you focus on the practice exam.