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Class 11 NEET Physics Work, Energy and Power Questions

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Question : 49

Total: 91

An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine?

400 W
200 W
100 W
800 W

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