A rod of mass 0.720 kg and radius 6.00 cm rests on two parallel rails that are d = 12.0 cm apart and L = 45.0 cm long. The rod A uniform magnetic field of magnitude 0.500 T is directed perpendicular to the rod and the rails. If it starts from rest, what is the speed of the rod as it leaves the rails?

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A rod of mass 0.720 kg and radius 6.00 cm rests on two parallel rails that are d = 12.0 cm apart and

L = 45.0 cm long. The rod carries a current of I = 70.0 A in the direction shown and rolls along the rails without slipping. A uniform magnetic field of magnitude 0.500 T is directed perpendicular to the rod and the rails. If it starts from rest, what is the speed of the rod as it leaves the rails?
asked Oct 28, 2013 in Physics by inquisitor (45 points)
    

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