A pump lifts 100 kg of water through 10 m in 5 s (g = 10 m/s²). The power developed is:
A1 kW
B5 kW
C2 kW
D10 kW
Answer & Solution
Correct answer: C. 2 kW
W = mgh = 10000 J; P = W/t = 2000 W = 2 kW.
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