Pick up the correct statement from the following. The kinetic energy o

1.	Pick up the correct statement from the following. The kinetic energy of a body
A.	before impact is equal to that after impact
B.	before impact is less than that after impact
C.	before impact is more than that after impact
D.	remains constant
Answer» D. remains constant

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Pick up the correct statement from the following. The kinetic energy of a body

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