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Mechanical Engineering QUESTION #2533
Question 1
A perfectly plastic impact (\(e=0\)) between two particles results in:
  • Maximum kinetic energy loss and the particles move together after impact✔️
  • No energy loss and elastic rebound
  • Partial rebound with kinetic energy conserved
  • Maximum kinetic energy with separation
Correct Answer Explanation
For \(e=0\) (perfectly plastic impact), the relative velocity of separation is zero — the particles stick together and move as one body. This results in maximum kinetic energy loss, while linear momentum is still conserved.