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An engine pumps water through a hose pip...

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 kgm^(-1)`. What is the power of the engine?
(a) 400 W (b) 200W (c) 100W (d) 800W

A

300 W

B

400 W

C

200 W

D

100 W

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A
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