A12-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a speed of 0.50 m/s. At the origin 0, the bomb explodes into two fragments Fragment 1 has a mass of 04 kg and a speed of O9 m/s along the negative y-axis In Fig 8.12 the energy released by the explosion is closest to 0.32J O 0.28J 0.24 J O Q.20J 036J Figure 8 12 0.8 kg 0.5 mis 1.2 kg 0.4 kg Before After 0.9 m/s