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In the figure, a long rectangular conducting loop, of width L = 12 cm, resistance R = 14 N, and mass m = 0.14 kg, is hung in a
horizontal, uniform magnetic field of magnitude 1.4 T that is directed into the page and that exists only above line aa. The loop is
then dropped; during its fall, it accelerates until it reaches a certain terminal speed vț. Ignoring air drag, find the terminal speed.
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mg
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Units

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