In: Physics
A 9.0-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 ΩΩ . Pulling the wire with a force of 1.1 NN causes 3.5 WW of power to be dissipated in the circuit.
Part A
What is the speed of the wire when pulled with 1.1 N? Express your answer in meters per second
Part B
What is the strength of the magnetic field? Express your answer in tesla.