A) 5 minutes
B) 10 minutes
C) 15 minutes
D) 20 minutes
Correct Answer: C
Solution :
Volume of water to raise = 22380 l = 22380×10?3m3 \[P=\frac{mgh}{t}=\frac{V\rho gh}{t}\] Þ \[t=\frac{V\rho gh}{P}\] t\[=\frac{22380\times {{10}^{-3}}\times {{10}^{3}}\times 10\times 10}{10\times 746}=15\]min
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