Question

A bomb of mass 12kg explodes into two pieces of masses 8kg and 4kg the velocity of 8kg mass os 6m/s tje kinetic energy in other mass is

Answer 1

If the velocity of 8kg mass is 6 m/s then that of 4kg mass is 12 m/s.  {m1v1 = m2v2}  KE = 1/2(mv²) = (1/2)4•12•12 = 288J