First we need to know equations for the kinetic energy and potential energy of an object.
(we; need; to know equations for the kinetic energy and potential energy of an object; T:First) Context(we need,List([6, 13))):(we; need to know; equations for the kinetic energy and potential energy of an object)
we need,List([6, 13))
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need need to know
to know equations for the kinetic energy and potential energy of an object T:First
equations for the kinetic energy and potential energy of an object