Recent content by MikeLizzi

  1. M

    I Solving for Angular Velocity After a Disc Collision

    I am doing some programming and will eventually have to deal with this same complicated problem. Here is my take. I'm going to strip it down into 2 manageable pieces. First, the trivial piece. No rotations. It appears the OP has already solved this version, but I will summarize here...
  2. M

    I A problem with the solution to the ladder paradox

    I get the same results. Non-intuitive to say the least.
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    B Twin paradox explained for laymen

    So you think I am trolling. Whatever that means, I will stop posting. You must know that you and the other senior members of this forum have a communications problem with the sincere laymen who visit here. All we have is the basic SR for sophomore college. I took the course. In frustration...
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    B Twin paradox explained for laymen

    Dropping the relevance of acceleration by making it negligibly short doesn't work. As the turnaround time gets smaller the magnitude of the acceleration gets bigger. You know that. The contribution of relative aging to the problem stays the same. Consider fuel consumption for the space trip...
  5. M

    B Twin paradox explained for laymen

    Potential Energy formula? What's the purpose for introducing the potential energy formula into this thread? Are you saying the traditional method for solving the twins paradox in textbooks is wrong? Do you recognize that the traditional method gives an incompatible answer to the answer in...
  6. M

    B Twin paradox explained for laymen

    The impossible answer is that each twin considers the other to be younger.
  7. M

    B Twin paradox explained for laymen

    I have not read every post by FactChecker, but I agree with this one. Given two inertial observers, each must consider the other's clock to be running slower (or the same). Each must consider the other guy ages slower (or the same). That's basic SR. Why can't people just agree on this? The...
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    B Velocity Addition: Unraveling the Mystery

    Here is my 3d vector version for velocity addition. I have used it successfully for all kinds of 3d problems. http://www.relativitysimulation.com/Documents/VelocityTransform.pdf
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    B Help! Solving Einstein's Length Contraction Problem

    makphi, everyone is trying to point out to you the same problem. When I first learned SR I went round and round that same problem too. Here is how I finally resolved it for myself. http://www.relativitysimulation.com/Documents/DeterminingTheLengthOfMovingObject.html
  10. M

    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    I have not compared the data you listed to that generated by my program, but the diagram looks consistent with my video of the Car with Observer on the road. Kudos.
  11. M

    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    Perhaps I did not explain my position accurately. Below are 2 videos of a simulated car, one where the observer is at rest with respect to the road and one where the observer is at rest with respect to the car. I have seen both versions on various web sites. My versions were produced by my own...
  12. M

    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    What I'm saying is documented. Can't find a reference right now.
  13. M

    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    Yes, I am. That's the reason the Ehrenfest paradox isn't a paradox. I can only assume that Ehrenfest didn't know how to transform points very well because he and everyone who read his material assumed behavior that is not predicted by the Lorentz Transformation. If a 1m rule is pinned to a...
  14. M

    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    I was referring to the geometry of the disk as defined in Newtonian geometry books. If I specify a disk of 1m diameter and you draw a circle on a piece of paper and labeled the diameter 1m, I would say you have drawn the correct geometry. If I specify a 1m square moving with x-velocity of...
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    I How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?

    Uh? Consider a disk at rest with respect to an inertial observer at its center. Then transform to a rotating reference frame still at the center of the disk. There is no relativistic geometry change. Note: The common formula for relativistic length contraction was derived for the condition...
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