Physics: Mass Flow Rate

(a) Calculate the mass flow rate (in grams per second) of blood (ρ = 1.0 g/cm3) in an aorta with a cross-sectional area of 2.0 cm2 if the flow speed is 31 cm/s. 

(b) Assume that the aorta branches to form a large number of capillaries with a combined cross-sectional area of 3.0 ✕ 103 cm2. What is the flow speed in the capillaries? 

 

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