Physics
JAMB 1984
If a water pump at Kainji Dam is capable of lifting 1000kg of water through a vertical height of 10m in 10s, the power of the pump is [g = 10ms
-2]
-
A.
1.0kW
-
B.
10.0kW
-
C.
12.5kW
-
D.
15.0kW
-
E.
20.0kW
Correct Answer: Option B
Explanation
power = \(\frac{\text{work done}}{time}\)
= \(\frac{1000 \times 10 \times 10}{10}\)
= 10kW
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