In the figure, a metal wire of mass m = 28.9 mg can slide with negligible friction on two horizontal parallel rails sepa

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In The Figure A Metal Wire Of Mass M 28 9 Mg Can Slide With Negligible Friction On Two Horizontal Parallel Rails Sepa 1 (119.94 KiB) Viewed 37 times

In the figure, a metal wire of mass m = 28.9 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 2.81 cm. The track lies in a vertical uniform magnetic field of magnitude 41.9 mT. At time t = 0 s, device G is connected to the rails, producing a constant current i = 8.65 mA in the wire and rails (even as the wire moves). At t = 72.8 ms, what are the wire's (a) speed and (b) direction of motion? (a) Number (b) to the left 2.56548E-5 B Units m B m/s