Middle of a set of stairs and carry the box up

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You find a 30 N box on the middle of a set of stairs and carry the box up a flight of stairs to a deck, raising its elevation by 5 m. Then you drop the box off of the deck. As the box reaches its original level (the box is moving when it reaches the original level because it has not reached the ground), its kinetic energy is

Reference no: EM131197043

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