A bomb of mass 16kg at rest explodes into two pieces of masses 4 kg and 12 kg. The velolcity of the 12 kg mass is `4 ms^-1`. The kinetic energy of the other mass is

A bomb of mass 16 kg at rest explodes into two pieces of masses 4 kg and 12 kg. The velocity of the 12 kg mass is 4 ms^(-1) . The kinetic energy of the other mass is :

A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg and 12 kg . The velocity of mass 18 kg is 6 m//s . The kinetic energy of the other mass is

A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg and 12 kg . The velocity of mass 18 kg is 6 m//s . The kinetic energy of the other mass is