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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



Question ID - 52657 | SaraNextGen Top Answer

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
Answer Key / Explanation : (c) -

(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