Question: A 1 0 - cmcm - long wire is pulled along a U - shaped conducting rail in a perpendicular magnetic field. The total resistance

A 10-cmcm -long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.31. Pulling the wire with a force of 1.0 NN causes 4.3 WW of power to be dissipated in the circuit.
Part A
What is the speed of the wire when pulled with 1.0 NN ?

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