An ohmic bar with mass m slides without friction on two parallel, perfectly conducting rails. A uniform
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An ohmic bar with mass m slides without friction on two parallel, perfectly conducting rails. A uniform magnetic field B points into the page as shown. Let R be the resistance of the bar over the length . Prove that the initial kinetic energy of the bar, 1 / 2 mν20, is completely dissipated into Joule heat as t →∞.
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X X X X X X X X X X X X X X X X X X X X X X X B X X X
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As the bar moves Faraday induction drives a current ...View the full answer
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