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[" A fire hydrant (as shown in the figur...

[" A fire hydrant (as shown in the figure) delivers water of density "rho" at a volume "],[" rate L.The water travels vertically upward throun the hydrant and then does "],[" go' turn to emerge horizontally at speed "V" .The pipp and nozzle have uniform "],[" cross-section throughout.The force exerted by the water on the corner of the "],[" hydrant is "],[[" (A) "rho V," (B) zero "," (C) "2 rho V," (D) "sqrt(2)pV]]

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