A) the initial kinetic energy is equal to the final kinetic energy.
B) the final kinetic energy is less than the initial kinetic energy.
C) the kinetic energy remains constant.
D) the kinetic energy first increases then decreases.
Correct Answer: A
Solution :In an elastic collision, there is no deformation in the shapes of the bodies, hence the initial K.E. of the system = final K.E. of the system
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