Water is drawn from a well in a 5 kg drum of capacity 55 L by two ropes connected to the top of the drum. The linear mass density of each rope is 
. The work done in lifting water to the ground from the surface of water in the well 20 m below is 
a)
b)
c)
d)
Water is drawn from a well in a 5 kg drum of capacity 55 L by two ropes connected to the top of the drum. The linear mass density of each rope is . The work done in lifting water to the ground from the surface of water in the well 20 m below is
a)
b)
c)
d)
Question ID - 51963 | SaraNextGen Top Answer
Water is drawn from a well in a 5 kg drum of capacity 55 L by two ropes connected to the top of the drum. The linear mass density of each rope is . The work done in lifting water to the ground from the surface of water in the well 20 m below is
a)
b)
c)
d)
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Water is drawn from a well in a 5 kg drum of capacity 55 L by two ropes connected to the top of the drum. The linear mass density of each rope is |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Work done in lifting water and drum
Total mass of ropes Work done in the case of ropes
Total work done = 14000 J |
kg= 20 kg
127 votes
Answer Link
127