A copper strip 50 cm long 13 cm wide and 20 mm thick moving, Ask an Expert

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A copper strip 5.0 cm long, 1.3 cm wide and 2.0 mm thick moving in the x-y plane. The strip is in a magnetic field given (in vector form) by B = 4.6 T (-k). The Hall potential VH between points A and B is 16.2 mV. How fast is the strip moving? Give your answer in the form "a.bc x 10^(y) m/s".)

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