Eamcet Physics - 1 st Year : Unit 4.3 ( Work-Power And Energy) - Collisions Free Online Tests | Mock Tests | Preparation | Practice Tests

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Eamcet Physics
1 st Year : Unit 4.3 ( Work-Power And Energy) - Collisions

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

A. the momentum of the ball just before collision is equal to its momentum just after collision

B. the total mechanical energy of the ball just before collision is equal to its total mechanical energy after collision

C. the total momentum of the ball and earth is conserved

D. all the above are true

E. None of the above

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Correct choice: C

Explanation:

None

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Eamcet Physics 1 st Year : Unit 4.3 ( Work-Power And Energy) - Collisions

Eamcet Physics
1 st Year : Unit 4.3 ( Work-Power And Energy) - Collisions