A bar of mass 0.2 kg that can slide without friction on a pair of rails separated by a distance,l= 1.20m and located at an inclined plane that makes an angle of 25° with respect to the ground.The resistance of the resistor is R= 1 Ohm and a uniform magnetic field of B=0.5T is directed downward,perpendicular to the ground,over the entire region through which the bar moves.Find the speed the bar slides along the rails

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Q: (1) ta

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Q: The figure below shows a bar of mass m = 0.240 kg that can slide without friction on a pair of rails…

A:

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.