A bomb is kept stationary at a point. It suddenly explodes into two fragments of masses 1g and 3g. The total KE of the fragments is 6.4 J. what is the KE of the smaller fragment? |
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a) |
J |
b) |
J |
c) |
4.8 J |
d) |
J |

A bomb is kept stationary at a point. It suddenly explodes into two fragments of masses 1g and 3g. The total KE of the fragments is 6.4 J. what is the KE of the smaller fragment? |
||||||||

a) |
J |
b) |
J |
c) |
4.8 J |
d) |
J |

1 Answer

127 votes

**(c)**

As the momentum of both fragments are equal therefore

According to problem

J

By solving equation (i) and (ii) we get

J and

J

127 votes

127