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A moving particle collides with a stationary particle and move together. The type of collision is-
1. elastic collision
2. inelastic collision
3. perfectly inelastic collision
4. None of the above

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Correct Answer - Option 3 : perfectly inelastic collision

CONCEPT:

  • Collison’s are generally classified into two types elastic and inelastic collisions
    • Based on this law of conservation this classification is made, and the laws of collision state:
      • Momentum is conserved in all collisions.
      • In an elastic collision, kinetic energy is also conserved.
      • In an 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: If the law of conservation of momentum holds good during a collision while that of kinetic energy is not.
    • But inelastic Collison obeys the law of conservation of linear momentum.
    • In a perfectly inelastic collision, both the particles stick to each other and move together.

EXPLANATION:

  • Since the particles move together so the type of collision is perfectly inelastic.

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