A) 3 kW
B) 1.96 kW
C) 0.98 kW
D) 3.92 kW
Correct Answer: B
Solution :
From the formula, work done by lifting water per second \[=300g\frac{\left( d+h \right)}{t}\] \[=300\times 9.8\times \frac{(20+20)}{60}\] \[1960\,W=1.96\,kW\]You need to login to perform this action.
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