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Question

In an inelastic collision-
  1. Momentum of the system is always conserved.
  2. The coefficient of restitution can be zero.
  3. Velocity of separation is less than the velocity of approach.
  4. All of the above.

A
Momentum of the system is always conserved.
B
The coefficient of restitution can be zero.
C
All of the above.
D
Velocity of separation is less than the velocity of approach.
Solution
Verified by Toppr

In inelastic collision momentum of the system is always conserved if Fext=0.
Velocity of separation is less than the velocity of approach since co-efficient of restitution e < 1
e=0 for a perfectly inelastic collision since the colliding particles stick together after collision.
Hence, option (D) is correct.

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