A bomb of mass 30 kg at rest explodes i...

A bomb of mass `30 kg` at rest explodes into two pieces of mass `18 kg` and `12 kg`. The velocity of mass `18 kg is 6 m//s`. The kinetic energy of the other mass is

A

324 J

B

486 J

C

256 J

D

523 J

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The correct Answer is:

B

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