A man drags a 130-kg object down an inclined plane at a speed of 1.40 m/s. The coefficient of friction between the object and the inclined plane is 0.800 and the angle of inclination with the horizontal is 23.0°
What is the amount of power this man expends in dragging this object? Use g = 10.0 m/s2. A) 1520 watts
B) 1730 watts
C) 629 watts
D) 214 watts
E) 416 watts
C
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