Recent content by vic

  1. V

    Finding the Centre of Mass and Toppling Point of a Spinning Top

    I got it now. Thanks a lot. :)
  2. V

    Finding the Centre of Mass and Toppling Point of a Spinning Top

    How do you know that f(x) is x^2 +1 ??
  3. V

    Finding the Centre of Mass and Toppling Point of a Spinning Top

    A uniform solid spinning top has the shape of an inverted right circular cone of radius 3r and height 4r surmounted by a right circular of base radius 3r and height 6r. Find the position of the centre of mass of the spinning top and hence show that if it is placed with the curved surface of the...
  4. V

    What forces the 3rd electron to form a 2s state?

    Can somebody explain how electron spin? It is caused by magnetic field of the nucleus?
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