Question

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?
(a) 400 W (b) 200 W
(c) 100 W (d) 800 W

Answer 1

Answer:

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?

(a) 400 W

(b) 200 W

(c) 100 W ✔️✔️

(d) 800 W