Remember the important parts from today: centripetal acceleration is ALWAYS directed radially (towards the center of the circle) and has magnitude of v^2/R. Uniform circular motion means that the speed v is constant as the object moves around.
Solutions - Problems from Chapter 5:
1. acceleration is 41.667 m/s^2, or 4.252 g's.
2. 1.519 x 10-2 m
3. speed of Earth around Sun = 2.989 x 104 m/s, so acceleration = 5.954 x 10-3 m/s^2. We haven't talked about finding the magnitude of the force yet - that will come tomorrow!
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