Q1: Fire hoses used in major structure fires have inside diameters of 6.40 cm. Suppose such a hose carries a flow of 40 L/s starting at a gauge pressure of 1.62x10 N/m?. The hose goes 10 m up a ladder to a nozzle having an inside diameter of 1.2 in. Assuming negligible resistance, what is the pressure in the nozzle?

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Q: The

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A: Reference: wikimedia commons

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A:

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