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11 years ago
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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Valued Member
11 years ago
D
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