A Venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameter pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section for an airflow of 3.0 m/s in the 2.0-cm section? (? = 1.2 kg/m3.)

a. 70 Pa
b. 85 Pa
c. 100 Pa
d. 120 Pa
e. 81 Pa


e

Physics & Space Science

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