A bucket filled with water weighing 20 kg is raised from a well of depth 20 m.If the density of the rope is 0.2kg per metre,find the amount of work done
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we have to consider the mass of the rope as well... then find the total mass of the bucket and the rope... then find the change in energy by U=mgh...which gives the work done
I have considered g=10m/s2...to get the answer 4800J
I have considered g=10m/s2...to get the answer 4800J
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