A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12kg.The velocity of 18 kg mass is The kinetic energy of the other mass in J is |

A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12kg.The velocity of 18 kg mass is The kinetic energy of the other mass in J is |

1 Answer - 5876 Votes

3537

The linear momentum of exploding part will remain conserved.

Applying conservation of linear momentum, We write,

Here,

Thus, kinetic energy of 12 kg mass

=

=486 J