Physics - Center of Mass Question with Solution | TestHub

A bomb of mass $16\mathrm{kg}$ at rest explodes into two pieces of masses of $4\mathrm{kg}$ and $12\mathrm{kg}$. The velocity of the $12\mathrm{kg}$ mass is $4{\mathrm{ms}}^{-1}$. The kinetic energy of the other mass is