184_projects:f20_project_9

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184_projects:f20_project_9 [2020/11/04 17:31] – dmcpadden184_projects:f20_project_9 [2020/11/12 22:02] (current) – cookkai3
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-===== Project 9 ===== +===== Project 10 ===== 
-==== Project 9A: EM-Boar Tiger Cub ====+==== Project 10A: EM-Boar Tiger Cub ====
 Dr. McPaddel woke up to a great surprise this morning when she walked outside to admire the junkyard and noticed a mysterious glowing creature stuck to her magnetic crane. Apparently, in all the excitement of showing the contraption to her neighbors, she had forgotten to turn off the machine. The creature had wandered into the scrapyard overnight looking for some metal to eat, and when it wandered near the crane, the metal became magnetized and pulled the creature up into the air, where it remained stuck until Dr. McPaddel discovered it this morning. She alerted the authorities, but it was the Hawkion researchers who arrived before anyone else, to transport the creature to a research facility to learn more about it. They are thinking these animals might be responsible for the disappearance of fish from the lake and green-bellied canaries from the cliffside. Dr. McPaddel woke up to a great surprise this morning when she walked outside to admire the junkyard and noticed a mysterious glowing creature stuck to her magnetic crane. Apparently, in all the excitement of showing the contraption to her neighbors, she had forgotten to turn off the machine. The creature had wandered into the scrapyard overnight looking for some metal to eat, and when it wandered near the crane, the metal became magnetized and pulled the creature up into the air, where it remained stuck until Dr. McPaddel discovered it this morning. She alerted the authorities, but it was the Hawkion researchers who arrived before anyone else, to transport the creature to a research facility to learn more about it. They are thinking these animals might be responsible for the disappearance of fish from the lake and green-bellied canaries from the cliffside.
  
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 </WRAP> </WRAP>
  
-==== Project 9B: Flying through a B-Field ====+ 
 + 
 +==== Project 10B: Boar Tigers Disrupt Science ====
 Thanks to the research that folks at the Hawkion facility were able to do on the EM-boar tigers, the people of Lakeview have been able to set up a scientifically supported protection system. The research team has found that magnetic fields repel the EM-boar tigers. They have installed a giant magnet into the cliffs nearby, and it is aligned in such a way that there is a constant (practically speaking) $5 \text{ mT}$ magnetic field directed into the ground near Lakeview and the surrounding area. The hope is that the field will ward off the EM-boar tigers and keep the people of Lakeview safe. Thanks to the research that folks at the Hawkion facility were able to do on the EM-boar tigers, the people of Lakeview have been able to set up a scientifically supported protection system. The research team has found that magnetic fields repel the EM-boar tigers. They have installed a giant magnet into the cliffs nearby, and it is aligned in such a way that there is a constant (practically speaking) $5 \text{ mT}$ magnetic field directed into the ground near Lakeview and the surrounding area. The hope is that the field will ward off the EM-boar tigers and keep the people of Lakeview safe.
  
 However, the scientists of Lakeview are concerned that such a big magnetic field will interfere with their detectors and experiments. In particular, there is a small section of wire (~15 cm) that needs to carry a large amount current (10 - 14 A). The scientists are worried about the force that will be exerted on that high current wire. They've provided the picture below of their lab set up and have asked for your help with two things. First, they would like to know what kind of force they should expect on their high current wire. Second, they have asked for your design of how you would make the net force zero on the high current wire. They said they will happily provide wire(s) of any length, they can adjust the current to whatever you need, and they can position any of the wires as needed. You should outline a design (including a figure with labels) and demonstrate how that makes the net force zero on the high current wire.   However, the scientists of Lakeview are concerned that such a big magnetic field will interfere with their detectors and experiments. In particular, there is a small section of wire (~15 cm) that needs to carry a large amount current (10 - 14 A). The scientists are worried about the force that will be exerted on that high current wire. They've provided the picture below of their lab set up and have asked for your help with two things. First, they would like to know what kind of force they should expect on their high current wire. Second, they have asked for your design of how you would make the net force zero on the high current wire. They said they will happily provide wire(s) of any length, they can adjust the current to whatever you need, and they can position any of the wires as needed. You should outline a design (including a figure with labels) and demonstrate how that makes the net force zero on the high current wire.  
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 +{{  184_notes:project10fig.png?600  }}
  
 Remember, a good solution includes explanations, diagrams, evaluations, and commentary in addition to your calculations. See the Project Write Up Rubric for more details. Remember, a good solution includes explanations, diagrams, evaluations, and commentary in addition to your calculations. See the Project Write Up Rubric for more details.
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