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The impact is said to be inelastic or plastic when the coefficient of restitution is ________.
  • a)
    zero
  • b)
    one
  • c)
    greater than one
  • d)
    0.5
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The impact is said to be inelastic or plastic when the coefficient of ...
  • Momentum is conserved in all collisions.
  • In elastic collision, kinetic energy is also conserved.
  • In inelastic collision, kinetic energy is not conserved. In a perfectly inelastic collision, objects stick together after the collision.
Perfectly elastic collision:
If the law of conservation of momentum and that of kinetic energy hold good during the collision.
Inelastic collision:
Law of conservation of momentum holds good during a collision while that of kinetic energy is not conserved.
Coefficient of restitution (e)
  • For perfectly elastic collision, e = 1
  • For inelastic collision, e < 1
  • For perfectly inelastic collision, e = 0
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The impact is said to be inelastic or plastic when the coefficient of restitution is ________.a)zerob)onec)greater than oned)0.5Correct answer is option 'A'. Can you explain this answer?
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