(Solution) - A square loop is cut out of a thick sheet -(2025 Original AI-Free Solution)

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A square loop is cut out of a thick sheet of aluminum. It is then placed so that the top portion is in a uniform magnetic field B, and allowed to fall under gravity (Fig. 7.19). (In the diagram, shading indicates the field region; B points into the page.) If the magnetic field is 1 T (a pretty standard laboratory field), find the terminal velocity of the loop (in m/s). Find the velocity of the loop as a function of time. How long does it take (in seconds) to reach, say. 90% of the terminal velocity? What would happen if you cut a tiny slit in the ring, breaking the circuit?