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?

Options

A. `100 W`
B. `400 W`
C. `200 W`
D. `800 W`

Answer

`(1)`

Explanation

`P = V^(2)(dM)/(dt) = V^(3)(dM)/(dl)`