Home Physics Work, Energy, Power and Collision Mix A ball hits the floor and rebounds after ine…
Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

A ball hits the floor and rebounds after inelastic collision. In this case

A
The momentum of the ball just after the collision is the same as that just before the collision
B
The mechanical energy of the ball remains the same in the collision
C
The total momentum of the ball and the earth is conserved
D
The total energy of the ball and the earth is conserved

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Text Solution

Verified by Experts
The correct answer is:
C

By the conservation of momentum in the absence of external force total momentum of the system (ball + earth) remains constant.

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