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Homework Help: A2 Physics Question

  1. Apr 28, 2005 #1
    What is the closest distance of approach of a 6 MeV alpha particle colliding with a nucleus of iron (56 26 Fe)?
  2. jcsd
  3. Apr 28, 2005 #2


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    Use the law of conservation of total energy.Kinetic & potential of electric/electrostatic nature.I guess u can assume the iron nucleus to be at rest b4 & after the collision (scattering),though it's a dreadful approximation (mass ratio:1/14).

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