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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

524 J

B

256J

C

486 J

D

324J

Text Solution

Verified by Experts

The correct Answer is:
C
`KE =(P^(2))/(2m)=((18xx6)^(2))/(2xx12)=486J`
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