Home
Class 12
PHYSICS
A shell of mass 20 kg at rest explodes i...

A shell of mass `20 kg` at rest explodes into two fragments whose masses are in the ratio `2 : 3`. The smaller fragment moves with a velocity of `6 m//s`. The kinetic energy of the larger fragment is

A

96 J

B

216 J

C

144 J

D

360 J

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 8

    AAKASH INSTITUTE|Exercise Example|25 Videos
  • Mock Test27

    AAKASH INSTITUTE|Exercise EXAMPLE|9 Videos

Similar Questions

Explore conceptually related problems

A shell is fired from a cannon with a speed of 100 m//s at an angle 30^(@) with the vertical ( y -direction). At the highest point of its trajectory, the shell explodes into two fragments of masses in the ratio 1:2 . The lighter fragment moves vertically upwards with an initial speed of 200 m//s . What is the speed of the heavier fragment at the time of explosion?

A bomb of mass 6kg initially at rest explodes in to three identical fragments On of the fragments moves with a velocity of 10sqrt3 hatim//s another frament moves with a velocity of 10 hatj m//s then the thired fragment moves with velocity of magnitude .

A body of mass 1 kg at rest explodes into three fragments of masses in the ratio 1 : 1 : 3 . The two pieces of equal mass fly in mutually perpendicular directions with a speed of 30 m//s each . What is the velocity of the heavier fragment ?

A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg and 12 kg . The velocity of mass 18 kg is 6 m//s . The kinetic energy of the other mass is

A bomb at rest explodes into two fragments of masses 3.0kg and 1.0kg . The total kinetic energy of the fragments is 6xx10^(4)J . Calculate (i) , kinetic energy of the bigger fragment (ii) momentum of the smaller fragment.

A bomb of mass 3.0Kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg . The smaller mass goes at a speed of 80 m/s .The total energy imparted to the two fragments is

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg . The smaller mass goes at a speed of 80 m//s . The total energy impared to the two fragments is :