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Which of the following statements is true for collisions- A) Momentum is conserved in elastic collisions but not in inelastic collisions B) Total kinetic energy is conserved in elastic collisions but momentum is not conserved C) Total kinetic energy is not conserved in inelastic collisions but momentum is conserved D) Total kinetic energy and momentum both are conserved in all types of collisions
A) Momentum is conserved in elastic collisions but not in inelastic collisions.
Total momentum and total energy of a system always remain conserved.In inelastic collisions, some of the kinetic energy goes into the heat energy, with total energy and momentum still being conserved.
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