A 0.230-kg metal rod carrying a current of 13.0 A glides on two horizontal rails 0.530 m apart and 2.0 m long.
Required:
a. If the coefficient of kinetic friction between the rod and rails is 0.150, what vertical magnetic field is required to keep the rod moving at a constant speed?
b. If the friction between the rod and rail is reduced zero, the rod will accelerate. If the rod starts from rest at the one end of the rails, what is the speed of the rod at the other end of the rails for this frictionless situation? Use the same field value you calculated in part (a).
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A 0.230-kg metal rod carrying a current of 13.0 A glides on two horizontal rails 0.530 m apart and 2...
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