9As a student walks downhill at constant speed, his gravitational potential energy (1) increases and his kinetic energy increases
(2) increases and his kinetic energy remains the
same
(3) decreases and his kinetic energy increases
(4) decreases and his kinetic energy remains the
same

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Explanation:

4).

the answer is to check all of them! they all apply well at least i think so!

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!