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A uniform rectangular 87.25 kg refrigerator with height h = 2.089 m and width w = 1.115 m is pushed at a constant velocity across a level floor. The refrigerator is pushed in the horizontal direction halfway between the floor and the top of the refrigerator and the refrigerator does not tip over while being pushed. What is the value the coefficient of kinetic friction between the refrigerator and the floor?

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