Physics, 13.07.2020 22:01, d1Dej

A brass rod with a mass of 0.300 kg slides on parallel horizontal iron rails, 0.440 m apart, and carries a current of 15.0 A. The coefficient of friction between the rod and rails is 0.300. What vertical, uniform magnetic field is needed to keep the rod moving at a constant speed

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A brass rod with a mass of 0.300 kg slides on parallel horizontal iron rails, 0.440 m apart, and car...