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November 16, 2011 02:08 pm PST

Catbird Seat problem

From Futility Closet: A ladder is leaning against a tree. On the center rung is a pussycat. She must be a very determined pussycat, because she remains on that rung as we draw the foot of the ladder away from the tree until the ladder is lying flat on the ground. What path does the [...]


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