A beryllium-8 nucleus at rest undergoes double alpha decay as follows: ${}^{8}_{4}$ Be → ${}^{4}_{2}$ He + ${}^{4}_{2}$ He The known atomic masses are: ${}^{4}_{2}$ He: 4.002603 u ${}^{8}_{4}$ Be: 8.005305 u
What is the kinetic energy of each departing alpha particle? (1 u = 931.5 MeV/c²)

Question

A beryllium-8 nucleus at rest undergoes double alpha decay as follows:

{}^{8}_{4}

Be →

{}^{4}_{2}

He +

{}^{4}_{2}

He The known atomic masses are:

{}^{4}_{2}

He: 4.002603 u

{}^{8}_{4}

Be: 8.005305 u
What is the kinetic energy of each departing alpha particle? (1 u = 931.5 MeV/c²)

Quizplus · Accepted Answer

The Answer of A beryllium-8 nucleus at rest undergoes double alpha decay as follows: ${}^{8}_{4}$ Be → ${}^{4}_{2}$ He + ${}^{4}_{2}$ He The known atomic masses are: ${}^{4}_{2}$ He: 4.002603 u ${}^{8}_{4}$ Be: 8.005305 u What is the kinetic energy of each departing alpha particle? (1 u = 931.5 MeV/c²)

A Beryllium-8 Nucleus at Rest Undergoes Double Alpha Decay as Follows