A 12-Kg Spring-Activated Toy Bomb Slides on a Smooth Surface Along

Multiple Choice

A 1.2-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 0.40 kg and a speed of 0.90 m/s along the negative y-axis.In the figure,the energy released by the explosion is closest to

A) 0.20 J.
B) 0.24 J.
C) 0.28 J.
D) 0.32 J.
E) 0.36 J.