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The potential energy of the object depends on
- the height of the object with respect to some reference points,
- the mass of the object,
- the gravitational field the object is in.
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Hope it helps ~
S=Vt
110=V(72)
110/72=V
V=1.527m/s
B) not work ,because the water would freeze
I believe the answer is 3). The cell wall provides protection, it doesn’t control movements of materials in and out of the cell.
