Work Energy And Power Question 200
Question: The power of pump, which can pump 200 kg of water to a height of 50 m in 10 sec, will be [DPMT 2003]
Options:
A) $ 10\times 10^{3}watt $
B) $ 20\times 10^{3}watt $
C) $ 4\times {10^{3}}watt $
D) $ 60\times 10^{3}watt $
Show Answer
Answer:
Correct Answer: A
Solution:
$ P=\frac{W}{t}=\frac{mgh}{t}=\frac{200\times 10\times 50}{10} $
$ =10\times 10^{3}W $
