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Which one of the following statements is true ?

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a
momentum is conserved in elastic collisions but not in inelastic collisions
b
during an elastic collision , total kinetic energy is conserved but momentum is not conserved .
c
during an elastic collision, total kinetic energy is not conserved but momentum is conserved .
d
kinetic energy and momentum both are conserved in all types of collisions

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detailed solution

Correct option is C

During an  elastic collision, the momentum is conserved while  total K.E. is not conserved  as dduring the contact period , a part of kinetic energy is converted in elastic potential energy.


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which of the following is not a perfectly inelastic collision ? 


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