Hey Geny :)
I’m pretty sure the answer is B
Hope this helps you
-AaronWiseIsBae
Answer:
Explanation:
Mechanical energy = Gravitational potential energy + kinetic energy
Time Gravitational potential energy kinetic energy Total ME
0 4 0 4
2 2 2 4
4 0 4 4
6 2 2 4
8 4 0 4
and so on .....
We see that total mechanical energy is always 4 which is constant .
So gravitational and kinetic energy changes cyclically but total mechanical energy is constant .
Distillation; either simple or fractional macroscale depending on how far apart the boiling points are.