3) 3) A 20-kg object is resting at the top of a table 1.6 m above...

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Answer 1

Answer #1

@ change in potential Energy mgha-mgh, - mg (h₂h) = mg (817-1.6) - 20x9.8 x 7.1 = 13916 J T ☺ Snitially tolal Energy = mgh -

Answer 2

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