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7. (20 pts) A force of 50 N is used to move a 5 kg box 30 m across a level floor. a. How much work was done on the box? b. If

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③ work force x distance - 30x50= 15oof Average relocity = Displacement 30 = 3 m/s time OKE= I mvare = LxSx9 = 22.55 APE= 1500

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