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In a firefighting drill, a trainee learns
to operate a fire hose. How much force should the trainee apply to
hold the hose in a steady position? A nozzle
is attached to the end of the hose to increase the velocity of the water.
nozzle outlet has a diameter of 3 in and the hose diameter is 6 in.
The gage pressure at section 1 is 0.75 psi, and the water flows at a
rate of 0.5 slugs/s. The length of the pipe is 2 ft.