problem14_91

University Physics with Modern Physics with Mastering Physics (11th Edition)

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14.91: a) The fact that the water first moves upwards before leaving the siphon does not change the efflux speed, . 2 gh b) Water will not flow if the absolute (not gauge) pressure would be negative. The hose is open to the atmosphere at the bottom, so the
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Unformatted text preview: pressure at the top of the siphon is ), ( a h H ρg p +-where the assumption that the cross-section area is constant has been used to equate the speed of the liquid at the top and bottom. Setting = p and solving for H gives ( 29 . h ρg p H a-=...
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  • Atmosphere, efflux speed, crosssection area

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