When a ball hits a floor and rebounds after an inelastic collision,

1.	When a ball hits a floor and rebounds after an inelastic collision,
Answer» the momentum of the ball just before collision is EQUAL to its momentum just after collision the total MECHANICAL energy of the ball just before collision is equal to its total mehanical energy after collision the total momentum of the ball and earth is CONSERVED all the above are true ANSWER :C

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