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Water is pumped into a fire hose through a 6 cm diameter pipe with speed 1m/s. The water in the fire hose flows with a pressure of 200000 Pa. At the end of the fire hose is a nozzle (small hole). The pressure decreases to atmospheric pressure (101300 Pa) when the water leaves the nozzle from the hose. There is no change in height moving from the hose to the nozzle. 1. What is the water speed in a 4 cm diameter fire hose? 2. What is the velocity of the water exiting the nozzle (p=1000kg/m³)? 4. What is the diameter of the nozzle? 3. A Fireworker now connects an additional flexible tube to the nozzle (tube and nozzle has same diameter). He lifts the tube to a height of 1 meter above the ground. At what speed does the water come out of the tube? (hint - the pressure at the exit is still atmospheric)

Water is pumped into a fire hose through a 6 cm diameter pipe with speed 1m/s. The water in the fire hose flows with a pressure of 200000 Pa. At the end of the fire hose is a nozzle (small hole). The pressure decreases to atmospheric pressure (101300 Pa) when the water leaves the nozzle from the hose. There is no change in height moving from the hose to the nozzle. 1. What is the water speed in a 4 cm diameter fire hose? 2. What is the velocity of the water exiting the nozzle (p=1000kg/m³)? 4. What is the diameter of the nozzle? 3. A Fireworker now connects an additional flexible tube to the nozzle (tube and nozzle has same diameter). He lifts the tube to a height of 1 meter above the ground. At what speed does the water come out of the tube? (hint - the pressure at the exit is still atmospheric)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Water is pumped into a fire hose through a 6 cm diameter pipe with speed 1m/s. The water in the fire hose flows with a pressure of 200000 Pa. At the end of the fire hose is a nozzle (small hole). The pressure decreases to atmospheric pressure (101300 Pa) when the water leaves the nozzle from the hose. There is no change in height moving from the hose to the nozzle. 1. What is the water speed in a 4 cm diameter fire hose? 2. What is the velocity of the water exiting the nozzle (p-1000kg/m')? 4. What is the diameter of the nozzle? 3. A Fireworker now connects an additional flexible tube to the nozzle (tube and nozzle has same diameter). He lifts the tube to a height of 1 meter above the ground. At what speed does the water come out of the tube? (hint - the pressure at the exit is still atmospheric)
Transcribed Image Text:Water is pumped into a fire hose through a 6 cm diameter pipe with speed 1m/s. The water in the fire hose flows with a pressure of 200000 Pa. At the end of the fire hose is a nozzle (small hole). The pressure decreases to atmospheric pressure (101300 Pa) when the water leaves the nozzle from the hose. There is no change in height moving from the hose to the nozzle. 1. What is the water speed in a 4 cm diameter fire hose? 2. What is the velocity of the water exiting the nozzle (p-1000kg/m')? 4. What is the diameter of the nozzle? 3. A Fireworker now connects an additional flexible tube to the nozzle (tube and nozzle has same diameter). He lifts the tube to a height of 1 meter above the ground. At what speed does the water come out of the tube? (hint - the pressure at the exit is still atmospheric)
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