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  1. [Quadratic]

    Calc 3 - Tough/Messy Divergence Problem

    Homework Statement Apologies for the attachment. Homework Equations Limit definition of the divergence as seen in attachment Volume of a sphere: \frac{4}{3}\pi r^{3} The Attempt at a Solution The first thing I did was parameterize the vector function F(x,y,z) = <xy,x,y+z> My...
  2. [Quadratic]

    Is kinematics/dynamics an everyday part of the job?

    I'm a math major currently in calc 3, and I'm also taking my first ever physics class. I've always had a very strong interest in physics from pop-sci books and Feynman's lectures, and I fantasized about doing some work in physics, possibly even changing majors. The problem I find myself having...
  3. [Quadratic]

    (Supposedly) New theory of spacetime?

    http://www.dailygalaxy.com/my_weblog/2011/04/spacetime-has-no-time-dimension-new-theory-claims-that-time-is-not-the-4th-dimension.html I'm sorry for being so clueless, but isn't that article basically saying exactly what special relativity said in the first place? That there is no absolute...
  4. [Quadratic]

    Schools Academic forgiveness/Second chance and top graduate schools

    Hello, to make a long story short I had a couple bad semesters and killed my GPA. My personal life was pretty crazy for about 2 years and my motivation and focus on school suffered greatly. I've taken a couple years off from school to get my mind and personal affairs in order and will be...
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