Question

Air at 20 C flows through the tube shown in (Figure 1). Assume that air is an ideal fluid. The density of air is 1.20 kg/m3, the density of mercury is 13600 kg/m3. Suppose that d1 = 2 mm and d2 = 1.4 cm.

Image for Air at 20 C flows through the tube shown in (Figure 1). Assume that air is an ideal fluid. The density of air

(A) What is the air speed of v1 at point 1? = 149 m/s

(B) What is the air speed v2 at point 2? = ????

(C) What is the volume flow rate? = 4.7*10-4 m3/s

only need the answer for part B, already have part A and C...

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