There are Z protons in the nucleus of an atom, where Z is the atomic number of the element An particle carries a charge of 2e In a scattering experiment, an particle, heading directly toward a nucleus in a metal foil, will come to a halt when all the particles kinetic energy is converted to electri...

Let the distance be r Given that at ...

There are Z protons in the nucleus of an atom, where Z is the atomic number of

Question:

There are Z protons in the nucleus of an atom, where Z is the atomic number of the element. An α particle carries a charge of +2e. In a scattering experiment, an α particle, heading directly toward a nucleus in a metal foil, will come to a halt when all the particle’s kinetic energy is converted to electric potential energy. In such a situation, how close will an α particle with a kinetic energy of 5.0 × 10-13J come to a gold nucleus (Z = 79)?