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Physics, 22.01.2021 01:00 legrandschool1oxa0sd

If the only force acting on an object is friction during a given physical process, which of the following assumptions must be made in regard to the object's kinetic energy?
a. The kinetic energy decreases.
b. The kinetic energy increases.
C. The kinetic energy remains constant.
d. The kinetic energy decreases and then increases.

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