An atomic nucleus at rest decays radioactively into
Chapter 9, Problem 9.11(choose chapter or problem)
An atomic nucleus at rest decays radioactively into analpha particle and a smaller nucleus. What will be the speedof this recoiling nucleus if the speed of the alpha particle is2.8 X 105m/s? Assume the recoiling nucleus has a mass57 times greater than that of the alpha particle.
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