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A bomb of mass 3.0 Kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg . The smaller mass goes at a speed of 80 m/s .The total energy imparted to the two fragments is.

1. 1.07 kJ
2. 2.14 kJ
3. 2.4 kJ
4. 4.8 kJ

Correct answer: 4.8 kJ

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