Which of the following statement is correct?

Question:Which of the following statement is correct?

1.The kinetic energy of a body during impact remains constant.

2.The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact.

3.The kinetic energy of a body before impact is less than the kinetic energy of a body after impact.

4. The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.


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