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A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution is
  • a)
    0.89
  • b)
    0.56
  • c)
    0.23
  • d)
    0.18
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A body falling form a height of 10 m rebounds from hard floor. if it l...
KE just before the collision will be 
 in 
 so 
loss due to impact was 
 % so 
  KE will be 
% or 
Now the velocity of strike will be 
and  the velocity after rebound  will be 

coeefificient of restitution will be 
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A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution isa)0.89b)0.56c)0.23d)0.18Correct answer is option 'A'. Can you explain this answer?
Question Description
A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution isa)0.89b)0.56c)0.23d)0.18Correct answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution isa)0.89b)0.56c)0.23d)0.18Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution isa)0.89b)0.56c)0.23d)0.18Correct answer is option 'A'. Can you explain this answer?.
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