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