Physics, asked by kainattariq2006, 16 days ago

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 saloni280905
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