A venturi meter is a device for measuring the speed of a fluidwithin a pipe. The drawing shows a gas flowing at a speedv2 through a horizontal section of pipe whosecross-sectional area A2 = 0.0700 m2. The gas has a density ofρ = 1.70 kg/m3.The Venturi meter has a cross-sectional area ofA1 = 0.0300m2 and has been substituted for a section of the largerpipe. The pressure difference between the two sections isP2 - P1 = 130 Pa.

(a) Find the speed v2 ofthe gas in the larger original pipe.
____________ m/s

____________ m3/s

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