Suppose I take a plastic tube and some insulated wire and wrap the wire very tightly around the plastic pipe so that the pipe is covered with several layers of wire wrap. The wire is always wrapped around the pipe in the same direction. Then we connect the two ends of the wire together. If I then drop a strong magnet down this pipe arrangement, will the magnet fall slowly, or not?
It depends on a number of factors. The winding direction, the polarity, and how you drop the magnet. The only real way to know is to experiment.
A) 35 because of the fact a hundred% is all or an entire B)0.35 C)80x9=720 so like a million/9 of 720 is 80 D)70x8=560 so approximately 0.12 of 560 is 70 E)840 and the finished volume of 8th graders is a million,050 F)50 s x 40 =2000 so 200cmx40= 8000 good luck!!!
Not slowly, but it will fall somewhat slower because of an induced current when it first enters and exits the wire covered section of the tube. In the middle section the two poles will induce opposite induction currents (and voltages), so the effect will cancel. But if what you want it to show eddy current effects, the coil arrangement is not a good way of doing the experiment. You want the resistance to be minimal so the eddy currents don't dissipate too fast. And you want the eddy currents at both poles of your magnet to be (relatively independent) and not cancel out in a series circuit. The easiest way to achieve that is to use a simple copper tube. Of course, if what the question is trying to do is to test if YOU understand the difference between the coil and the solid copper, then it might actually achieve its purpose. I bet most people will get it wrong. Good Luck with your experiment. Or your homework question. :-)
