Acrane lifts a 100-kg log at a height of 10 meters above the ground and gains a certain amount of potential energy. how much potential energy would it possess if it is lowered 5 meters below?
a. the same potential energy
b. half as much potential energy
c. twice as much potential energy
d. four times as much potential energy
Answers: 2
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Acrane lifts a 100-kg log at a height of 10 meters above the ground and gains a certain amount of po...
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