The amount of potential energy possessed by an elevated object is
A) relative to a chosen reference level.
B) equal to the work done in lifting it.
C) equal to the kinetic energy it will acquire when freely falling to its reference level.
D) all of the above
Answer: D
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If, in a parallel universe, ? has the value 3.14149, express ? in that universe to four significant figures
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The characteristic that distinguishes schist from slate is that schist is
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