Question: A 2 . 6 0 - N metal bar that is 0 . 8 5 0 m long and has a resistance of 1 0
A metal bar that is m long and has a resistance of rests horizontally on conducting wires' connecting it to a circuit as shown. The bar is in a uniform, horizontal, T magnetic field and is not attached to the wires in the circuit. What is the acceleration of the bar just after the switch S is closed?
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