A bucket filled with water weighing 20 kg is raised from a well of depth 20 m. If the linear density of the rope is 0.2 kg/m, the work done is _____ (Assume g = 10m/s2)
A. 4000 J
B. 4040 J
C. 4400 J
D. 4800 J
Answer:C
A bucket filled with water weighing 20 kg is raised from a well of depth 20 m. If the linear density of the rope is 0.2 kg/m, the work done is _____ (Assume g = 10m/s2)
A. 4000 J B. 4040 J C. 4400 J D. 4800 J