Recent content by rolypoly3000

  1. R

    Lagrangian anyone know their Lagrangian mechanics?

    or is s/he trying to say that s/he is at stanford?
  2. R

    Does Sign Convention Affect the Lagrangian in Rotational Motion Problems?

    [b]1. We have a cylinder of Mass M rotating about its axis. String is wound around it. Other end is connected to a spring. A mass m is attached to the spring. The problem is to find the Lagrangian. My only issue is with finding the potential energy. The problem asks to use the distance of...