If the zero level is a distance 2h/3 2h/3 above the floor, what is the potential energy U?
If the zero level is a distance 2h/3 2h/3 above the floor, what is the potential energy U?
Please clarify your question - is there a diagram you can post? In general the PE of an object is PE=mgh, where h is the height above the zero reference level.
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