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Online ProgramThe potential energy of an object is given as PE=mgh. If an object is thrown and its height is a function of time, h(t) = -0.5t2 + 2t, what is the potential energy of the object in terms of time?
- PE = mg(-0.5t2 + 2t)
- PE = mgh(-0.5t2 + 2t)
- PE = mght
- None of these