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Physics, 02.03.2021 23:10 mariaaaaa69

A box is moving on a frictionless surface with a certain amount of kinetic energy. it is then pushed in the opposite direction of its motion by an 8 N force until it comes to stop in 4 meters. How much kinetic energy did the box have when the force was first applied?

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A box is moving on a frictionless surface with a certain amount of kinetic energy. it is then pushed...
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