Posted by **naf** on Tuesday, December 11, 2012 at 6:11pm.

A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. The eraser does not slip. Treat the pencil like a uniform rod. What is the angular speed of the pencil just before it hits the table? What is the angular speed of the pencil when it makes a 30.0 degrees angle with the vertical?

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