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willorn

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willorn last won the day on December 6 2010

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About willorn

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  • Birthday 01/01/1993
  1. Quite well. I've enjoyed myself and my classes here. The course Modern Physics has just been removed from the curricula and sort of integrated into Quantum Physics I so I'll be taking that next semester. Yeehaw!
  2. [ATTACH=CONFIG]371[/ATTACH] We don't always work in the library. Maybe this thread could be about college and high school seniors could ask questions. I know I had a lot when I was taking AP C.
  3. I'm in it. Professors are awesome. I was reminded of Aplusphysics and a certain professor when I caught up to the Big Bang Theory episodes a few days ago. Honors Physics seems to be starting slow but I hear tales that it will kick my butt. More to follow.
  4. A quick re-work of my work yeilded a much stranger looking answer, but since I could find no fault in my original method, I can only assume my new answer to be the simplest form solution. (Sidenote: the "IK" term towards the end should be positive after it is added to both sides, I got caught up in Latex)
  5. willorn

    Physics in Billiards

    Oh darn, they stopped working again
  6. willorn

    Musing

    I can already tell this post will have a lot less structure than usual. I've been thinking about special relativity quite a bit more than usual these past few days, in particular, the twins paradox. We didn't discuss it, but it seems to me that the actual aging is not the paradox involved, but the question of which twin aged how much is the paradox, since the earth twin would believe the other twin to be 40 years older and the space twin would think himself only 4 years older. Secondly, we discussed that special relativity applied to objects either in constant motion or at rest. In other w
  7. http://www.brimbankweekly.com.au/news/national/national/general/student-helps-solve-cosmic-mystery/2176857.aspx?storypage=2a http://news.yahoo.com/s/afp/20110527/sc_afp/australiaastrophysicsscience This audacious undergrad made a major discovery while on break! Just goes to show the success teams of scientists can have with a fresh perspective. For a background of the "Missing Matter" Problem, try wikipedia: http://en.wikipedia.org/wiki/Dark_matter#Observational_evidence
  8. If you're interested in Higgs Bosons and hypothetical missing matter, check out my blog/collection of links about the australian undergraduate student who made a groundbreaking discovery in the field of particle physics!
  9. I used the same method as for part I but with Kinetic Energy having both rotational and linear components. I have begun the derivation using some geometric observations made in Part I of the problem. *note: this derivation will be hard to follow without first walking through the solution to Part I of the challenge problem. Finding the changed velocity: (This time around, I figured the kinetic energy at the time the ball leaves the basketball would have both rotational and linear kinetic energy because it is rolling)\ Eventually I changed omega, rotational velocity, into a linear expres
  10. I've heard of this phenomenon before, and I believe that once she begins turning, she robs the earth of some miniscule angular momentum, and when she stops turning, the earth regains this momentum. I wish I had a technical explanation.
  11. After the conclusion of my AP tests, I think I've finally found a nice solution to this problem! I will employ the wonderful Latex to derive my answer! I began with an FBD diagram, just like my momma (Cermak) taught me. [ATTACH=CONFIG]131[/ATTACH] I began by examining my FBD and drawing trigonometric conclusions. (After receiving word from Frach, I realized I neglected to mention the Normal; It is important to note that the Normal would necessarily be zero for the puck to fly off the basketball, and that the normal force is a function of the centripetal force and therefore: [ATTACH=C
  12. Superconductivity was first discovered by Dutchman and physicist Heike Kamerlingh Onnes, when Liquid Mercury was cooled to just 4.2 Kelvins!! (Using some very expensive Liquid Helium) While measuring the resistance of the substance, Onnes found that at this specific temperature, the resistivity of the substance quite literally dropped down to nothing. Zero Ohms. But whats the significance? Firstly, Onnes had discovered a material that would produce no heat when an electrical current flowed through it, which has huge technical implications. It is being discussed, for instance, whet
  13. Flabbergasted is the best word to describe my reaction to this.
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