(8c28p44) A metal wire of mass m = 0.450kgslides without friction on two horizon

Question

(8c28p44) A metal wire of mass m = 0.450kgslides without friction on two horizontal rails spaced a distance d = 0.40mapart, as in the figure. The track lies in a vertical uniform magnetic fieldB= 0.90T. There is a constant current i = 0.10Athrough generator G, along one rail, across the wire, and back down the other rail. Find the speed and direction of the wire's motion as a function of time, assuming it to be stationary at t = 0. Evaluate for t = 0.3s. Take positive to the right and negative to the left.

Explanation / Answer

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