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CBSE Class 11-science Answered

the power of a pump motor is 2 kW. how much water can it raise to a height of 10 m in 5 mins?
Asked by Ekta Singh | 09 Sep, 2013, 01:18: PM
Expert Answer
The energy of the pump is E = P×t = 2000 × 5 × 60 = 6 × 105 J
 
Energy is work done to move the water of mass m upto a height h.
E = mgh
 
Thus, mass of water raised is;
 
Thus, the amount of water raised is equal to the volume of water.
 
Thus, amount of water in litres is
Answered by Romal Bhansali | 10 Sep, 2013, 06:27: PM
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