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A 12 kg bomb at rest explodes into two p...

A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the momentum of 4 kg piece is 20 Ns, the kinetic energy of the 8 kg piece is

A

25 J

B

20 J

C

50 J

D

40 J

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The correct Answer is:
A
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