An engine pumps water through a hose pipe. Water passes through the pipe and leaves it…
Physics · JEE Main · NTA Exams — Work, Energy and Power
An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 ms-1. The mass per unit length of water in the pipe is 100 kg m-1. What is the power of the engine?
- 400 W
- 200 W
- 100 W
- 800 W
Answer
(A) 400 W
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