Consider a door that opens to only one side (as most doors do). A spring mechanism closes the door automatically. The state of the door at a given time t (measured in seconds) is determined by the angular displacement
When the door is moving freely (nobody is pushing or pulling), its movement is subject to the following
a. Sketch a phase portrait for this system.
b. Discuss the movement of the door represented by the qualitatively different trajectories. For which initial states does the door slam (i.e., reach
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Linear Algebra with Applications (2-Download)
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