A conducting bar of length l and mass m rests at the left
Chapter 29, Problem 29.113(choose chapter or problem)
A conducting bar of length l and mass m rests at the left end of the two frictionless rails of length d in FIGURE P29.75. A uniform magnetic field of strength B points upward. a. In which direction, into or out of the page, will a current through the conducting bar cause the bar to experience a force to the right? b. Find an expression for the bars speed as it leaves the rails at the right end.
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