A Student Slides Her 80

question 5

Multiple Choice

A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at constant speed.If the coefficient of kinetic friction between the desk and the floor is 0.400,how much work did she do?

• A) 128 J
• B) 3.14 kJ
• C) 26.7 J
• D) 1.26 kJ
• E) 24.0 J

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