A rod of m= 1.5 kg rests on two parallel rails that are L = 0.85 m apart. The rod carries a current going between the rails (bottom to top in the figure, into the page) with a magnitude / = 2.7 A. A uniform magnetic field of magnitude B = 0.85 T pointing upward is applied to the region, as shown in the figure. The rod moves a distance d = 0.15 m along the rails in a given time period. Ignore the friction on the rails. I
A rod of m= 1.5 kg rests on two parallel rails that are L = 0.85 m apart. The rod carries a current going between the rails (bottom to top in the figure, into the page) with a magnitude / = 2.7 A. A uniform magnetic field of magnitude B = 0.85 T pointing upward is applied to the region, as shown in the figure. The rod moves a distance d = 0.15 m along the rails in a given time period. Ignore the friction on the rails. I
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...
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Determine the work done on the rod during its motion, in terms of the magnetic force F and the distance traveled d.
Calculate the work done on the rod, in joules.
Express the final speed of the rod, v, in terms of F, d, and m, if it started from rest.
Calculate the numerical value of v. in meters per second
Transcribed Image Text:A rod of m= 1.5 kg rests on two parallel rails that are L = 0.85 m apart. The rod
carries a current going between the rails (bottom to top in the figure, into the page) with a magnitude 1 = 2.7
A. A uniform magnetic field of magnitude B = 0.85 T pointing upward is applied to the region, as shown in
the figure. The rod moves a distance d= 0.15 m along the rails in a given time period. Ignore the friction on
the rails.
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I
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