Recent content by MAC5494

  1. M

    Potential Difference problem with sphere and capacitor

    Sorry, I meant to respond again, I figured out the problem. I was using the wrong equation for finding the potential difference due to the sphere.
  2. M

    Potential Difference problem with sphere and capacitor

    I've tried that, and it could be that I'm doing it wrong, maybe mixing up signs, but I'll take another look at it!
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    Potential Difference problem with sphere and capacitor

    Homework Statement A thin spherical shell made of plastic carries a uniformly distributed negative charge -6e-10 coulombs (indicated as -Q1 in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.5e-05 coulombs and -1.5e-05 coulombs...
  4. M

    Volumes of Solids of Revolution

    Question I'm really having issues grasping the Volumes of Solids of revolution. I could use some help solving this question, it isn't very hard. 1. Let R be the region bounded by y = x2 and y = x + 2. Find: a) the area of R b) the volume of the solid if R is rotated about the...
  5. M

    Finding inflection points for y=x²(x-4)²

    This is going to sound funny, but I typed in the function above wrong. I didn't sleep much last night as you can probably tell. y=x2(x2-4)2 It is supposed to be y=x2(x-4)2 So I have the same problem. I'll try doing the quadratic formula to see what I get.
  6. M

    Finding inflection points for y=x²(x-4)²

    Yeah I know. I said above that it should be even. However when I actually did it, I used the wrong function, which was the function I for some reason didn't foil. I appreciate everyone's help.
  7. M

    Finding inflection points for y=x²(x-4)²

    I forgot to foil so I came out with the wrong function.
  8. M

    Finding inflection points for y=x²(x-4)²

    Oh god. Well there's my issue. I forgot to foil. Thanks for your help. I don't think I'll have an issue with this problem anymore. That's embarrassing.
  9. M

    Finding inflection points for y=x²(x-4)²

    f(x) = x4-8x3+16x2 f(-x) = (-x)4 -8(-x)3+16(x)2 = x4 + 8x3 + 16x2 So I was wrong. It's actually neither even or odd.
  10. M

    Finding inflection points for y=x²(x-4)²

    Yes! I didn't even think about that! Thank you for your help! It should be an even function just by looking at the formula. How do you figure out algebraically if it is even or odd?
  11. M

    Finding inflection points for y=x²(x-4)²

    Yes, or at least some pointers in the right direction. I'd like to try to do it myself if possible.
  12. M

    Finding inflection points for y=x²(x-4)²

    Yeah I'm aware of that, and I've tried, but I can't figure out how to solve for x.
  13. M

    Finding inflection points for y=x²(x-4)²

    Homework Statement I've been looking at the problem for a while and I just can't figure it out. It is graph sketching. y=x2(x2-4)2 the correct equation is this: y=x2(x-4)2Homework Equations Solve for critical points, and inflection points in order to get points needed to graph function. The...
  14. M

    Where to look for physics internships

    I appreciate your comment! I'll give it a try. I didn't think about looking into STEM related internships, and I'm glad you mentioned it. I can't know for sure that going to grad school will really be want I want to do until I'm almost there, or at least farther into my schooling than I am now...