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A fire hydrant delivers water of density ρ at a volume rate l. The water travels vertically upwards through the hydrant and then does 900 turn to emerge horizontally at speed υ. The pipe and nozzle have uniform cross-section throughout. The force exerted by water on the corner of the hydrant is |
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Answer» A fire hydrant delivers water of density ρ at a volume rate l. The water travels vertically upwards through the hydrant and then does 900 turn to emerge horizontally at speed υ. The pipe and nozzle have uniform cross-section throughout. The force exerted by water on the corner of the hydrant is |
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