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Which of the following statements is true 

In elastic collisions, the momentum is conserved but not in inelastic collisions
Both kinetic energy and momentum are conserved in elastic as well as inelastic collisions
Total kinetic energy is not conserved but momentum is conserved in inelastic collisions
Total kinetic energy is conserved in elastic collisions but momentum is not conserved in elastic collisions

detailed solution

Correct option is C

Linear momentum is conserved in all collisions. KE is conserved only in elastic collision.

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