Incompressible oil of density 850kg/m^3 is pumped through a cylindrical pipe at a rate of 9.5 liters per second. a.) The first section of the pipe has a diameter of 8.0 cm. What is the flow speed of the oil? What is the mass flow rate? b.) The second section of the cylindrical pipebhas a diameter of 4.0cm. What are the flow speed and mass flow rate in that section?

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