A 6.0-kg object,initially at rest in free space,"explodes" into three segments of equal mass.Two of these segments are observed to be moving with equal speeds of 20 m/s with an angle of 60$\degree$ between their directions of motion.How much kinetic energy is released in this explosion?
A)2.4 kJ
B)2.9 kJ
C)2.0 kJ
D)3.4 kJ
E)1.2 kJ

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The Answer of A 6.0-kg object,initially at rest in free space,"explodes" into three segments of equal mass.Two of these segments are observed to be moving with equal speeds of 20 m/s with an angle of 60$\degree$ between their directions of motion.How much kinetic energy is released in this explosion?
A)2.4 kJ
B)2.9 kJ
C)2.0 kJ
D)3.4 kJ
E)1.2 kJ

A 60-Kg Object,initially at Rest in Free Space,"explodes" into Three Segments