Question: An engine pumps up 100kg of water through a height of 10 m in 5 s. Given that the efficiency of engine is60%. If g=10𝑚𝑠 −2 ,the power of the engine is
(A) 3.3 KW
(B) 0.33 KW
(C) 0.033KW
(D) 33KW
Answer: Option (A)
Solution:
An engine pumps up 100kg of water through a height of 10 m in 5 s. Given that the efficiency of engine is60%. If g=10𝑚𝑠 −2 ,the power of the engine is
with
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