A stationary bomb of mass 20 kg suddenly explodes into two fragments in proportion of 1:4. If kinetic energy of small fragment is 360 J. Find the kinetic energy of large fragment.
Answers
Answered by
0
Answer:
1440 J
Explanation:
250=1:4
⇒x+4x=250⇒x=50
Therefore the mass of small fragment is 50kg
the mass of large fragment is 200kg
the kinetic energy of small fragment is given by,
KE=
2
1
mv
2
360=
2
1
×50×v
2
∴v
2
=14.4
KE=
2
1
mv
2
=
2
1
×200×14.4
Therefore the kinetic energy of large fragment is,
=1440J
Similar questions
Social Sciences,
8 days ago
Biology,
8 days ago
Math,
16 days ago
English,
9 months ago
English,
9 months ago