Physics, 12.11.2019 23:31 Knownothing

Aperson pushes horizontally on a heavy box and slides it across the level floor at constant velocity. the person pushes with a 60.0 n force for the first 7.09 m, at which time he begins to tire. the force he exerts then starts to decrease linearly from 60.0 n to 0.00 n across the remaining 7.09 m. how much total work did the person do on the box?

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