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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
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A shell of mass 20 kg at rest explodes into two fragments whose masses...
Mass of small fragment will be 8kg and large fragment 12kg..
apply law of conservation of momentum
8×6=12×v
v=4
KE=1/2mv^2= 1/2×12×4×4=96J
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Community Answer
A shell of mass 20 kg at rest explodes into two fragments whose masses...
 
Total mass of the shell = 20 kg
Ratio of the masses of the fragments = 2: 3 
∴ Masses of the fragments are 8 kg and 12 kg Now, according to the conservation of momentum , m1v= m2v2
∴ 8 × 6 = 12 × v
 v (velocity of the larger fragment) = 4 m/s
Kinetic energy 
 
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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 of6 m/s. The kinetic energy of the larger fragment isa)96 Jb)216 Jc)144 Jd)360 JCorrect answer is option 'A'. Can you explain this answer?
Question Description
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 of6 m/s. The kinetic energy of the larger fragment isa)96 Jb)216 Jc)144 Jd)360 JCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 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 of6 m/s. The kinetic energy of the larger fragment isa)96 Jb)216 Jc)144 Jd)360 JCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 of6 m/s. The kinetic energy of the larger fragment isa)96 Jb)216 Jc)144 Jd)360 JCorrect answer is option 'A'. Can you explain this answer?.
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