A rod of mass and length has one end hinged at the origin in the plane. Its other end is connected to a cable, which is connected to a winch at . The winch keeps a constant tension on the cable, and the length of extended cable varies as the rod moves.
At time , the rod is horizontal, stationary, and pointed in the direction. At what time is the rod colinear with the origin and the winch? If the answer is , give your result as .
Details and Assumptions:
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denotes the floor function
- There is no gravity
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