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A liquid of density 900 kg/m3 flows through a horizontal pipe that has a cross-sectional area of 1.90 x 10-2 m2 in region A and a cross-sectional area of 9.50 x 10-2 m2 in region B. The pressure difference between the two regions is 7.20 x 103 Pa. What are?

(a) The volume flow rate and

(b) The mass flow rate?

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