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  1. K

    Minimum Energy Of A Beta Particle

    Homework Statement When Ne (Z=10) decays to Na (Z=11), what is the maximum kinetic energy of the emitted electron? What is the minimum energy? What is the energy of the neutrino in each case? Ignore recoil of the daughter nucleus. Homework Equations E = mc^2 The Attempt at a Solution The...
  2. K

    Ignoring Rotation Of Earth

    Hi all, Some time ago I watched this http://www.youtube.com/watch?v=FAFUSbIs5KA". However in it I assumed that the Earth is not rotating and I would like to know what would happen if I did not make that assumption I do believe that if the Earth is rotating, it will affect the speed of...
  3. K

    Two Lenses In A Row

    Homework Statement Two lenses, one converging with focal length 20.0cm and one diverging with focal length -10.0cm, are placed 25.cm apart. An object is placed 60.0cm in front of the converging lense. Determine the position of the final image. Homework Equations \frac{1}{s_i} +...
  4. K

    2 Iron Bars (one magnetized) Question

    Hello everyone, I was studying for my electromagnetism test by doing questions from a text book that I won at the university's open house. This means that I don't have the complete answer key and neighter does my physics teacher. While reading through it, I came upon an interesting question...
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