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A bar of sufficient length is pushed (without friction) along rails (of sufficient length) that diverge at a 15 degree angle (as shown.) The bar stays vertical throughout the push. The bar starts at the rail's vertex and is pushed at a steady 0.40 m/s to the left. If the magnetic field strength is 0.42 T, what is the average emf induced in the bar between the points which cross the rails in the first 5.0 s of the bar's travel?

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