In the figure, a metal wire of mass m = 25.2 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 2.01 cm. The track lies in a vertical uniform magnetic field of magnitude 67.3 mT. At time t = 0s, device G is connected to the rails, producing a constant current i = 7.67 mA in the wire and rails (even as the wire moves). At t = 47.3 ms, what are the wire's (a) speed and (b) direction of motion? (a) Number (b) Units m B
In the figure, a metal wire of mass m = 25.2 mg can slide with negligible friction on two horizontal parallel rails separated by distance d = 2.01 cm. The track lies in a vertical uniform magnetic field of magnitude 67.3 mT. At time t = 0s, device G is connected to the rails, producing a constant current i = 7.67 mA in the wire and rails (even as the wire moves). At t = 47.3 ms, what are the wire's (a) speed and (b) direction of motion? (a) Number (b) Units m B
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In the figure, a metal wire of mass m = 25.2 mg can slide with negligible friction on two horizontal parallel rails separated by distance d
2.01 cm. The track lies in a vertical uniform magnetic field of magnitude 67.3 mT. At time t = 0 s, device G is connected to the rails,
producing a constant current i = 7.67 mA in the wire and rails (even as the wire moves). At t = 47.3 ms, what are the wire's (a) speed and
(b) direction of motion?
=
(a) Number
(b)
i
>
Units
153
B
m
B
<
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