Recent content by crossfire234

  1. C

    Yet another first order differential equation

    Excellent! :D
  2. C

    How Does η Depend on Masses M and m in Classical Mechanics?

    Can you show your proof please? D:
  3. C

    Yet another first order differential equation

    Well this would be extremely subtle for me as I would have done the same thing you have, but I think since you are integrating with respect to y on the left, C can be C(x) since when differentiated with respect to y it would disappear. Thinking it over again, you would then have to...
  4. C

    Work by External Force on an electric field

    P.S. Except for Chaos. Chaos is pretty awesome.
  5. C

    Work by External Force on an electric field

    Honestly, saying the charge was moved is just a convention for problem solving. They try to mechanically drive into you the concepts by providing an ideal situation. In reality you cannot imagine moving a single charge, but in theory it helps you learn about the effects of potential energy and...
  6. C

    Existence and Uniqueness Theorem

    Hi bashyboy, Statement of the Existence and Uniqueness Theorem: If ##f(x,y)## and ##f_y(x,y)## are continuous in a rectangle ##R: |t|<= a, |y| <= b##, then there is some interval ##|t| <= h <= a## in which there exists a unique solution ##y = \phi(t)## of the initial value problem. I...
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